668060605 668060605
  • 18-03-2022
  • Mathematics
contestada

Evaluate −2x2−4x+3 when x=−2.

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Аноним Аноним
  • 18-03-2022

Answer:

-2 x 2 - 4x + 3

If x = -2, then . . .

-2 x 2 -(-4 x -2) + 3

-2 x 2 + 8 + 3

The answer is 7

Answer Link
naomiscott28
naomiscott28 naomiscott28
  • 18-03-2022

-2x2-4x+3 = 7

I know this because of

( )

Exponents

x or /

+ or -

-2x2-4(2)+3 = 7 because x=3 so,

-2x2-8+3

7

Answer Link

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