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## Nghi Nguyen's Discussions

### The New AC Method to factor trinomials

Started this discussion. Last reply by Nghi Nguyen Aug 13, 2015.

Factoring trinomials is a main subject of high school math. The AC Method has been so far the most popular one to factor trinomials. However, this method can be considerably improved if we apply the…Continue

### The New AC Method for solving quadratic equations

Started Jan 30, 2015

So far, the factoring AC Method has been the most popular to solve quadratic equations in standard form that can be factored. However, this method can be considerably improved if we apply the Rule of…Continue

### The New AC Method for solving quadratic equations

Started Jan 28, 2015

So far, the existing Factoring AC Method (YouTube)has been the most popular method to solve quadratic equations. However, it can be considerably improved if we add into its solving process the Rule…Continue

### The Transposing Method for solving linear equations

Started this discussion. Last reply by Nghi Nguyen Feb 11, 2016.

There are some differences between the US basic solving process for algebra equations and inequalities and the world wide one. We teach students to solve equations by observing the principle of…Continue

# Nghi Nguyen's Page

## Profile Information

How did you hear about Math Concentration?
Are you a parent, teacher, student, other?
other
Do you have a website?
http://No
Retired Math Tutor.
Co-author of 3 math books.
- "New methods for solving quadratic equations and inequalities" (Amazon e-book 2010).
- Solving trig equations and inequalities" (Trafford Publishing)

At 7:00pm on March 19, 2014, Frank kwabena said…

Good Day,

How is everything with you, I picked interest on you after going through your short profile and deemed it necessary to write you immediately. I have something very vital to disclose to you, but I found it difficult to express myself here, since it's a public site.Could you please get back to me on:( mr.frankkwabena0044@yahoo.com.hk ) for the full details.

Have a nice day

Thanks God bless.

Mr.Frank

At 4:13pm on August 2, 2014, FRANK KWABENA said…

Good Day,

How is everything with you, I picked interest on you after going through your short profile and deemed it necessary to write you immediately. I have something very vital to disclose to you, but I found it difficult to express myself here, since it's a public site.Could you please get back to me on:( mr.frankkwabena3333@gmail.com ) for the full details.

Have a nice day

Thanks God bless.

Mr Frank.

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## Notes

### Figure This Challenge #56

• Complete Solution will be given on May 17, 2015

Complete Solution:

…

Continue

Created by Wanda Collins May 10, 2015 at 1:56pm. Last updated by Wanda Collins May 10, 2015.

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# Math Limerick

Question: Why is this a mathematical limerick?

( (12 + 144 + 20 + 3 Sqrt[4]) / 7 ) + 5*11 = 92 + 0 .

A dozen, a gross, and a score,
plus three times the square root of four, divided by seven, plus five times eleven, is nine squared and not a bit more.

---Jon Saxton (math textbook author)

Presentation Suggestions:
Challenge students to invent their own math limerick!

The Math Behind the Fact:
It is fun to mix mathematics with poetry.

Resources:

Su, Francis E., et al. "Math Limerick." Math Fun Facts.

funfacts

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