sunnyflorida813 sunnyflorida813
  • 13-03-2020
  • Mathematics
contestada

2 Solve by factoring
y = x² +8x-9

Respuesta :

devishri1977
devishri1977 devishri1977
  • 13-07-2020

Answer:

Step-by-step explanation:

Sum = 8

Product  = -9

Factor = 9 , -1

y = x² + 8x - 9

 = x² -1x + 9x - 9

=x(x - 1) + 9(x - 1)

= (x - 1)(x + 9)

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