Question

Simplify. (4x2 + 7x - 5) - (3x2 - 2x - 4)
A. x2 + 9x - 1
B. -x2 + 5x + 1
C. -x2 - 9x - 9
D. 7x2 + 5x - 9

Answer 1

What The

Answer 2

What?

Answer 3

I Think Its.. Um...

Answer 4

I Think Its B.

Answer 5

Lol. I need an explanation please. No guessing!

Answer 6

I need an explanation on how to get the answer

Answer 7

distribute the negative on the second part of the equation

Answer 8

so that would give you \[-3x ^{2}+2x+4\]

Answer 9

now you just add both polynomials together.

Answer 10

Thank you!
Your awesome!

Answer 11

\[4x ^{2}+7x-5-3x ^{2}+2x+4=x ^{2}+9x-1\]

Answer 12

^^there's your answer. it's A

Answer 13

(4x^2 + 7x - 5) - (3x^2 - 2x - 4)
distribute the negative through the parenthesis
4x^2 + 7x - 5 - 3x^2 + 2x + 4
combine like terms
x^2 + 9x - 1
pancakeslover is correct....it is A :)