algebra help
posted by shelly .
I need help with this problem not understanding it. Give exact and approximate solutions to three decimal places. x^2+6x+9= 81 what are the exact solutions? x=___ There are no approximate solutions since the solutions are integers.

x^2 + 6 x  72 = 0
(x6)(x+12) = 0
x = 6 or x = 12
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