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Marta_Voda [28]
3 years ago
6

If h(x)=-3x^2-6x, find x when h(x)=-72.

Mathematics
1 answer:
Yanka [14]3 years ago
4 0

Answer:

x = 6, -4

Step-by-step explanation:

  1. 3x²-6x = -72
  2. 3x² - 6x +72 =0
  3. 3(x²-2x+24) =0
  4. x²-2x+24=0
  5. (x-6)(x+4)=0
  6. x= 6, -4
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