Wednesday
April 16, 2014

Homework Help: math check

Posted by Lauren on Wednesday, April 14, 2010 at 8:34pm.

Peform each indicated operation and simplify. Can you please check my answers. Thank you.

A)(x^2+2x-3)+ (2x^2-x+1)
Answer: 3x^2+x-2

B) (-x^3+2x^2-5)+(x^2-x+6)
Answer:-x^3+3x^2-x+1

C) (3y^2-x+7)-(y^2-2x+3)
Answer:4y^2-3x+10

D)(2x^2-xy+y^2)-(-3x^2+xy+y^2)
Can you help me with the answer for this one Im confused. thanks

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math Ms Sue check - How do you do these questions, I have all my steps done ...
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 ...
Please any math helper!! - How do you do these questions, I have all my steps ...
Rational Expression - (x+1/2x-1 - x-1/2x+1) * (2x-1/x - 2x-1/x^2) (x+1/2x-1 - x-...
Math - Please show the solutions! 1.) x+y-2(2x-3y) 2.) x+y/2 - 3x-y/4 + x-5y/8 3...
math - sums and differences of rational algebraic expression answer the ...
Math Check - All the directions say for these three problems is multiply and ...
algebra - Could you please check my answer to this problem: Simplify the ...

Search
Members