Question

Find the value of the polynomial f(x) = 2x3

-13x2 + 17 at x = -2.​

Answer 1

Answer:

f(x)=-51.

Step-by-step explanation:

${2}x^{3} - {13}x^{2} + 17 \\ {2}( - 2)^{3} - {13}( - 2)^{2} + 17 \\ 2( - 8) - 13 \times 4 + 17 \\ - 16 - 52 + 17 \\ - 16 - 35 \\ = - 51$