4. What is the value of the polynomial 4x3 + 7x2 + x - 2when x= -1. – InterviewSolution

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4. What is the value of the polynomial 4x3 + 7x2 + x - 2when x= -1.

Answer»

$If \: x = -1 \: then \: the \: value \: of\: the$

$polynomial \; 4x^{3}+7x^{2}+x-2$

$= 4(-1)^{3} + 7(-1)^{2} + (-1) - 2$

$= 4(-1) + 7\times 1 - 1 - 2$

$= -4 + 7 - 1 - 2$

$= 7 - 7$

$\green {= 0}$

$\red{ Required \: value } \green { = 0 }$

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