Question

If x = -1 , find the value of 2x² - 7 *​

Answer 1

Answer:

-5

Step-by-step explanation:

2x^2 - 7

(2×-1×-1) - 7

2-7

-5

Hope it helps you

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Answer 2

Answer:

x = -1

2x²-7

(2* -1 )² -7

(-2)² - 7

4 - 7

-3