Find the value of the polynomial 3x2 – x + 8 at x = - 2

1.	Find the value of the polynomial 3x2 – x + 8 at x = - 2
Answer» ANSWER: Step-by-step EXPLANATION: $3x^{2} -x+8$ $x=-2$ $3x^{2} -x+8$ $=3(-2)^{2} -(-2)+8$ $=3(4)+2+8$ $=12+2+8$ $=14+8$ $=22$

Answer»

ANSWER:

Step-by-step EXPLANATION:

$3x^{2} -x+8$

$x=-2$

$3x^{2} -x+8$

$=3(-2)^{2} -(-2)+8$

$=3(4)+2+8$

$=12+2+8$

$=14+8$

$=22$

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Find the value of the polynomial 3x2 – x + 8 at x = - 2​

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Find the value of the polynomial 3x2 – x + 8 at x = - 2