ami99 ami99
  • 15-08-2019
  • Mathematics
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(2x² - 5) - (3x² + 4).

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Аноним Аноним
  • 15-08-2019

(2x² - 5) - (3x² + 4).

Pretend that there is a -1 in front of :(3x² + 4).

(2x^2-5)-1(3x^2+4)

2x^2-5-3x^-4

2x^2-3x^2-5-4

=-x^2-9

Answer: -x^2-9

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