Question

Find the value ofP(×) = 3ײ+×+7 when ×=-2

Answer 1

Step-by-step explanation:

3x²+x+7

x=-2

putting values

3(-2)²+(-2)+7

3(4)-2+7

12-2+7

10+7

17

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Answer 2

p(x) = 3x²+x+7 ; x = (-2)

$\implies$ p(-2) = 3(-2)²+(-2)+7

$\implies$ p(-2)=(3×4)-2+7

$\implies$ p(-2)=12+7-4

$\implies$p(-2)=19-4

$\implies$p(-2)=15

$\sf {\boxed {\pink { p(-2)\: =\:15 }}}$