Question

x is equal to 2 is a is a root of the polynomial f(x)=2x²-3x+7a, find the value of'a'​

Answer 1

X=2

f(x) = 2x^2-3x+7a

Put x=2

F(2)= 2(2)^2-3(2)+7a

= 2(4)-6+7a

= 8-6+7a

= 2+7a

Put f(2) = 0

2+7a=0

7a=-2

a= -2/7

Hope it helps

Mark it as the brainliest one