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Grade One Math Worksheets

Laura Said:

need help with 9th grade math....!?

We Answered:

4m2-25 = (2m+5)(2m-5)

Explanation: Check to see if the last number (25) of an algebraic sentence like this can be squared. Square both the first (4m2) and the second number (25) and then place the squares like this:

(sq of 1st number + sq of 2nd number)(sq of 1st number - sq of 2nd number)

If you need more help, visit http://www.purplemath.com

This website is very useful.

Happy homeworking :D

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