Question

if x+ a is a factor of 2x^2 + 2ax + 5x + 10 then find the value of a ?​

Answer 1

Answer:

value of a is 2

Step-by-step explanation:

as, 2x^2+2ax+5x+10=0

2x(x+a)+5 (x+2) =0

therefore,

(2x+5)(x+2)=0 or (2x+5)(x+a)=0

by comparing above equation

x+2=x+a

therefore

a=2

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hope this will help u