shell49 shell49
  • 20-01-2018
  • Mathematics
contestada

Please help with this!!!

Please help with this class=

Respuesta :

manandhanteja manandhanteja
  • 28-01-2018
A. x = -2 and y = -5

check:
x^2 - 9 = 0

B. x = 0 and y = -6

check:
x^2 - 6 = 0

C. x1 = 3, x2 = 5

check:
(x - 3)(x - 5) = 0

D. x1 = 0, x2 = 4

check:
x(x - 4) = 0
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