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What is the value of -2x2 + 8x when x = -6?
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What is the value of -2x2 + 8x
when x = -6?

User Omarello
by
5.1k points

1 Answer

3 votes

Answer:

- 120

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

User Evolutionxbox
by
6.0k points
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