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Diano4ka-milaya [45]
4 years ago
8

Can someone please help me with this. Show your work please. -2x² - 5x if x = -4

Mathematics
2 answers:
Ierofanga [76]4 years ago
6 0

Answer:

-2x^2 - 5x

= -2-4^2 - 5*-4

= -2(-4 * -4 ) - (-20)

= -2(-16) +20

= -32 + 20

= -12

Step-by-step explanation:

Usimov [2.4K]4 years ago
6 0
-2(-4)^2 - 5(-4) =

-2(16) - (-20) =

(-32) - (-20) =

-12
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