If x = -1 , find the value of 2x² - 7 *
Answers
Answered by
1
Answer:
-5
Step-by-step explanation:
2x^2 - 7
(2×-1×-1) - 7
2-7
-5
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Answered by
0
Answer:
x = -1
2x²-7
(2* -1 )² -7
(-2)² - 7
4 - 7
-3
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