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OpenStudy (anonymous):
solve the equation. express radicals in simplest form. (x+9)^2=12 i got -9+2sqrt3, -9-2sqrt3
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OpenStudy (lalaly):
thats right
OpenStudy (anonymous):
x^2 + 18x + 81 = 12 x^2 + 18x + 69 = 0 x = -9+2sqrt3, -9-2sqrt3
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