Question

if x-2 is a factor of x^2+3ax-2a then a=?

a 2
b -2
c 1
d-1​

Answer 1

Answer:

x-2 is a factor. (x-2= 0,x= 2)

that means f(2) should be 0.

(as factor theorem states)

given:

f(x) = x² +3ax-2a

f(2) =

(2)² +3(2)a -2a

4+6a-2a

4+4a = 0

4a = -4

a = -4/4

a = -1

(option d)

Answer 2

pls see solution. and mark it as the brainliest