Question

If p(x)=5x-4x²+3 find p(-1)

Answer 1

Answer:

$p( - 1) | = 5( - 1) - 4 ({ - 1})^{2} + 3 \\ p (- 1) = - 5 - 4 + 3 \\ p( - 1) = - 9 + 3 \\ p (- 1) = - 6$