Homework Help: Math/Algebra

Posted by Cindy on Tuesday, March 24, 2009 at 4:06pm.

Find each sum or difference

(3x^2 + 7x- 2)+ (2x^2 - 3x + 4)
Answer: 5x^2 + 4x + 2

(4x + 8y) + (-7y + 3x)
Answer: 7x+1y

(x^2 + 4x - 1)+ (9x^2 - 8x + 9)
Answer: 10x^2 - 4x + 8

(8x + 6) - (2x - 1)
Answer: 6x+ 11

Math/Algebra - bobpursley, Tuesday, March 24, 2009 at 4:25pm
all are correct, except the last one. How did you get 6+1 to equal 11?
Math/Algebra - Cindy, Tuesday, March 24, 2009 at 4:36pm
I'm sorry my answer is 6x + 7 is this right???
Bobpurseley please read the post above. - Cindy, Tuesday, March 24, 2009 at 4:40pm
please read my correct answer
Math/Algebra - bobpursley, Tuesday, March 24, 2009 at 5:29pm
correct.

Answer this Question

Related Questions

Math - Can someone please check my answers below for accurateness? The ...
bobpursley,math - about this problem , I figured it out and i did get the answer...
Pre-algebra - I have some practice problems, and I need to have them worked out...
Pre-algebra - I have some practice problems, and I need to have them worked out...
math,bobpursly, - 4x-2x^2+4x^3 from 4x^3+x-3x^2 4x^3+x-3x^2 -( 4x-2x^2+4x^3) ...
Pre-algebra - Could someone please help me solve the following problems, and ...
Math - Can you check these questions for me? 1. Add: (3x^4-x+2)+(9x^5-x^2+x) 9x^...
Math - Write these in factored form? 12 +6x x+x+x+6 x^2 + 3x x^2 + 4x +3 Combine...
Troy - Can someone check my answers for the following problems. Simplify. Assume...
Intermediate Algebra - Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^...

For Further Reading

First Name:
School Subject:
Answer: