Math, asked by army07, 1 year ago

find the value of the polynomial 2x^3+2x, when x= -1.

sss44747484: p (-1) = 2×(-1)^3 -2×(-1) = -2 +2=0

thatonenerd: wrong answer

sss44747484: ok

Answers

Answered by thatonenerd

the value of the polynomial is -4.

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thatonenerd: no?

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Answered by cm090302pjccvh

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

thatonenerd: hey

cm090302pjccvh: welcome

thatonenerd: how do u type the like this?

cm090302pjccvh: go to formula

thatonenerd: oh get it

thatonenerd: thanks

cm090302pjccvh: welcome

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