Question

Polynomial help? (4x2 + 15x – 3) – (–3x2 + 5)

Answer 1

change signs inside brackets of second parentheses

3x^2 - 5
and then remove all brackets combine like terms
4x^2+ 3x^2=
15x=
and
-3-5=

Answer 2

My choices are:
A. 7x^2 + 15x – 8
B. x^2 + 12x + 2
C. x^2 + 15x – 8
D. 7x^2 + 8

Answer 3

So how do I get your equation to fit into one of those choices?

Answer 4

4x^2+3x^2 = 7x^2
15x=15x
and -3-5=-8
write these out like so
7x^2+15x-8

Answer 5

Oh. Thanks!