emmdiorr8 emmdiorr8
  • 22-09-2020
  • Mathematics
contestada

C= 3y^2+4y+4
D= -7y ^2 + 3y -6
D-C=

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zul2 zul2
  • 22-09-2020

Answer:

subtrace all numbers from c and d together.

Answer Link
lizapedro2178 lizapedro2178
  • 27-09-2020

Answer:

-10y^2-y-10

Step-by-step explanation:

  • D-C= (-7y^2+3y-6)-(3y^2+4y+4)

rewrite without parenthese:

  • -7y^2+3y-6-3y^-3y-4

group like terms:

  • (-7-3)y^2+(3-4)+(-6-4)

simplify:

-10y^2-y-10

Answer Link

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