Question

If p=-4 then find the value of 2p3+4p2 -2p(p+1)​

Answer 1

Answer:

the answer is -184 .

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Answer 2

Answer:

$2 {p}^{3} + 4 {p}^{2} - 2p(p + 1) \\ = 2 { ( - 4)}^{3} + 4 { ( - 4)}^{2} - 2 \times - 4( - 4 + 1) \\ = 2 \times - 64 + 4 \times 16 - 2 \times - 4( - 3) \\ = - 128 + 64 - 2 \times 12 \\ = - 128 + 64- 24 \\ = 64 - 152 \\ = - 88$

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