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Arturo
Mathematics
3 July, 11:58
What is the value of - 2x^2-4x-11 if x=-3
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Jerry Ortega
3 July, 12:18
0
Replace every x with - 3.
-2 (-3) ^2 - 4 (-3) - 11
-2 (9) + 12 - 11
-18 + 1
-17
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Clara Harris
3 July, 12:26
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10
Step-by-step explanation:
-2x^2 = - - 3^2
= 9
9-4x = 9 - - 12
= 21
21-11 = 10
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