(x+a)^2-(x-b)^2+x^2+(a-b)x-ab by (a+b)

(a+b)(2x−ab+a−b)+x(a−b)+x²

Step-by-step explanation:

I can't make a good explanation, so here's a graph.

Also, this wouldn't be a proportional relationship because of exponents on the last term.

This is really a parabola.

c. 4 and 1/2 pounds is the answer! : )

hey seth! : )

i’m not 100% sure, but i think it’s b

hope this ya : p

miss u!

- nicole