Divide all terms by 3 gives x2+4x+4 = (x+2)(x+2) when factored
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3x2 + 12x = - 1 ie 3x2 + 12x + 1 = 0 has no rational roots. The irrational roots are [-12 +/- sqrt(132)]/6 = -3.915 and -0.085
The GCF of 12^2 + 18 - 36 is 6.
It is x^2 + 12x or x(x + 12).
-5 + 12x = 18x + 7Subtract 7 from each side:-12 + 12x = 18xSubtract 12x from each side:-12 = 6xDivide each side by 6:-2 = x
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