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