Question

put x=-2 3x²+5(x-2) scam=repor​

Answer 1

Answer:

-8

Step-by-step explanation:

3x^2 + 5(x-2)

Put x = -2

3(-2)^2 + 5(-2-2)

3(4) + 5(-4)

12 - 20

-8

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Answer 2

Answer:

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Step-by-step explanation:

$3x {}^{2} +5(x-2) \\ \\ 3( - 2) {}^{2} + 5[( - 2) - 2] \\ \\ 3(4) + 5(-4) \\ \\ 12 - 20 \\ \\ -8$