Question

Of x=3, which expression has a different value from the other three? a)- 2x² b)- x² + 9x c)-12x d)- x²(x-1)²​

Answer 1

Step-by-step explanation:

putting x=3 in every option we get

a) -2*3² = -18

b) -3²+9*3 =18

c) -12*3 = -36

d) -(3)²(3-1)² = -36