Bamaboy8804
25.06.2019 •
Mathematics
What is the value of -2x2 + 8x when x = -6?
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Ответ:
- 120
Step-by-step explanation:
-2 x² + 8 x = 0
x = - 6
Substitute x = - 6 into -2 x² + 8 x = 0
- 2 x² + 8 x = 0
- 2 × ( - 6² ) + 8 × ( - 6 ) = 0
( - 2 × 36 ) + ( 8 × -6) = 0
- 72 + ( - 48 ) = - 120
Ответ:
D (x^16y^22)
Step-by-step explanation:
For edge