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If P = -2, find the value of: – 2p 3 – 3p 2 + 4p + 7

 If P = -2, find the value of:
– 2p 3 – 3p 2 + 4p + 7
 

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

From the question it is given that p = -2
Then, substitute the value of p in the question
= (-2 × (-2)^3) - (3 × (-2)^2) + (4 × (-2)) + 7
= (-2 × -8) - (3 × 4) + (-8) + 7
= 16–12–8 + 7
= 23–20
=3
​
Thanks

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