f(-x)= 2x^2+4x+6
the work is 36464*76-63654+877-7663+8776-76*66534+8763-6/65
so..... the answer is x=8
Guest #1: LOL?
f(-x)= 2x^2 + 4x + 6
f(-x)= -(-2x^2 - 4x - 6)
f(x) = -2x^2 - 4x - 6
