Saturday
April 19, 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

Expressions help - I have no idea on how to do this equation please help me. ...
Math Ms Sue check - How do you do these questions, I have all my steps done ...
Please any math helper!! - How do you do these questions, I have all my steps ...
Math help - How do you do these questions, I have all my steps done until the ...
Math - How do you do these questions, I have all my steps until the last one: 2x...
Math - How do you do these questions, I have all my steps done until the last ...
math - simplify the expression below (3x^2y-5xy+12xy^2)-(5xy^2+4xy) 3x^2y - xy...
maths - solve the following simultaneous equation: 5x+2y=29 x-y=-4 2x-y=-1 3x-y=...
HELP! - The problem using elimination/substitution methods what is the solution ...
math - Simplify the expression 6x x 2x^3 x 3x^2y^2/3x^3 x x^4y. I'm confused. ...

Search
Members