Fireburst4
Fireburst4 Fireburst4
  • 12-11-2020
  • Mathematics
contestada

solve by factoring x^2 -9 =0​

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LunarEclipses LunarEclipses
  • 12-11-2020
x = 3 and -3

X^2 - 9 = 0
(X+3)(X-3) = 0

X + 3 = 0
X = -3

X - 3 = 0
X = 3
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