Question

13. Find the difference between 5p3 - 2p and 2p2 + 7, when p = -2.
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Answer 1

Answer:

-51

Step-by-step explanation:

5p³-2p - (2p² +7)

5p³-2p - 2p²-7

(-5 x 2³ )- (2 x -2) (- 2 x 2²-7)

-40 +4-15

-51