Question

find the value 'a' if x+ais factor of polynomial 2xsquare +4x+2

Answer 1

⏺️Heya buddy⏺️

(x+a) is a factor of 2x^2+4x+2.

p(-a) =2(a)^2+4(a)+2=0
=2a^2+4a+2=0
=2a^2+2a+2a+2=0
=2a(a+1)+2(a+1)=0
=(a+1)(2a+1)=0
=> a=-1 or a=-1/2

♥️${Be} ^{Brainly}$♥️