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What is the value of -2x3 + 5x - 7 when x = -3?

What is the value of -2x3 + 5x - 7 when x = -3?
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What is the value of -2x3 + 5x - 7 when x = -3?

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User Venisha
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1 Answer

6 votes

Hi!

-2x³ + 5x - 7 = -2 * (-3)³ + 5 * (-3) - 7 =

= -2 * (-27) - 15 - 7 = 54 - 22 = 32

Grettings!

answered
User Pavel Orekhov
by
7.9k points
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