Question

P(x) = 3 x³ - 4x + 8 find P (-2)​

Answer 1

P(-2) = 3$(-2)^{3}$ - 4(-2) + 8

P(-2) = 3(-8) - (-8)+ 8

P(-2) = -24 + 8 + 8

P(-2) = 16 - 24

P(-2) = -8