Saturday
August 30, 2014

Homework Help: Math(please check)

Posted by Hannah on Sunday, August 29, 2010 at 12:01am.

Simplify each expression:

1) (x+8)^2 = x^2 + 64

2) (x-2)^3 = x^3 - 8

3) (x-2y)(x+y) = x^2 - xy -2y^2

4) (x+2)(x^2+3x-2) = x^3 + 5x^2 + 4x-4

Are my answers correct?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - Please check my work. 1) 64 divide -4 = -16 2) -144 divide (-9) = 16 3) ...
algebra 2 - 1.Simplify the difference. n^2 - lOn+24 9 / n^2 - 13n + 42 7 A. n...
Algebra (check my answers) - Please check these answers. Multiply -7(2a2 -4) = -...
math - how would I check this on my own? I know you put numbers in the place of...
math - application of the laws of exponent. show different ways of simplifying ...
Math(Please Check) - Problem: 4x/(x+2)-8/(x-1) What I Got: 4x^2-4x-16/(x+2)(x+1...
Algebra - Can you please check my work? You have helped other students I know. ...
Algebra - Simplify radical terms, including fraction power expressions. Review ...
math - translate the phrase into a mathematical expression and then evaluate it...
Alegbra - Translate the phrase to mathematical language. Then simplify the ...

Search
Members