Question

Help solve this pls and thanks !!!

Answer 1

just add the x's then you will get it that how i got to do it

Explanation:

Answer 2

Answer: The answer is this c=6x^2-3x-11

Explanation:

c=P-a-b:

P=10x^2+4x-9

a=7x+3

b=4x^2-1

c=10x^2+4x-9-(7x+3)-(4x^2-1)

Refine

c=6x^2-3x-11 <---This is the answer