bplumpa
bplumpa bplumpa
  • 19-03-2020
  • Mathematics
contestada

Subtract 3x2 + 8x from –9x2 + 3x – 8.

Respuesta :

steven2743 steven2743
  • 19-03-2020

Answer:

-12x^2-5x-8

Step-by-step explanation:

Answer Link
sqdancefan
sqdancefan sqdancefan
  • 19-03-2020

Answer:

  -12x^2 -5x -8

Step-by-step explanation:

(-9x^2 +3x -8) -(3x^2 +8x) . . . . show the subtraction

= -9x^2 +3x -8 -3x^2 -8x . . . . . eliminate parentheses

= x^2(-9-3) +x(3-8) +(-8) . . . . . . collect terms

= -12x^2 -5x -8

Answer Link

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