Math, asked by ahmedrasulbe, 5 months ago

20.When x = -1, what is the value of
the polynomial 2x -2x3 +7 ? *

Answers

Answered by Shalineeabhiarya

0

the polynomial is

2x - 2x³ +7

= - 2x³ +2x +7

= -2(-1)³ +2(-1)+7

= 2 -2 +7

=7

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