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23-02-2020
Mathematics

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igoroleshko156 igoroleshko156

23-02-2020

Answer:

-4 = ?

Step-by-step explanation:

Step 1: Substitute -1 for x

7x^3 + 5x^2 - 2 = ?

7(-1)^3 + 5(-1)^2 - 2 = ?

7(-1) + 5(1) - 2 = ?

-7 + 5 - 2 = ?

-4 = ?

Answer: -4 = ?

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