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soldi70 [24.7K]
1 year ago
14

HELP ASAP/NOW....NO JOKES OR LINKS!!!!!!

Mathematics
2 answers:
Dennis_Churaev [7]1 year ago
6 0

Let's find

  • -2x²-4x+10
  • -2(-3)²-4(-3)+10
  • -2(9)+12+10
  • -18+22
  • 4
Strike441 [17]1 year ago
5 0

Answer:

D.  4

Step-by-step explanation:

Given expression:

-2x^2-4x+10

To find the value of the expression when x = -3, substitute x = -3 into the expression:

\implies -2(-3)^2-(-3)x+10

Apply exponent rule  (-a)^2=a^2:

\implies -2(3^2)-4(-3)+10

\implies -2(9)-4(-3)+10

\implies -18-4(-3)+10

Apply rule -(-a)=a :

\implies -18+(4)(3)+10

\implies -18+12+10

Add/subtract from left to right:

\implies -6+10

\implies 4

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