Question

if p (x)=p (-1) find 2xcube3 -3xsquare -4x-2

Answer 1

Answer: 0

Step-by-step explanation:

given p(x) = 2x³ - 3x² - 4x - x

and we are given x = -1

=> p(-1) = 2(-1)³ - 3(-1)² - 4(-1) - (-1)

=> -2 - 3 + 4 + 1

=> -5 + 5

=> p(-1) = 0

so -1 is a zero of polynomial of 2x³ - 3x² - 4x - x