long division___

Question

	Divide  by .	a.		c.
b.		d.

Answer 1

4x^2+4x^3+15-11x

set 2x+5 equal to 0

2x+5=0

solve for x

x=-5/2

substitute -5/2 for each x and evaluate

you get 5 for an answer

you put 5 over the divisor 2x+5

only one answer has 5/(2x+5) and that is D.

good way to check your division