Question

Find the value of a,.If (x+a) is a factor of the polynomial 2x2+2ax+5x+10

Answer 1

Answer:

(x+a) =0

x=-a

so, 2x^2-2ax+5x+10=2a^2-2a^2-5a+10=0

a=2

Answer 2

just go through these.it is an easy sum