9x^2 +12x+4=0 use factorization AND 3x^2-17x-16=0 use quadratic formula

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1 Answer

(3x)^2+2(3x*2)+2^2=(3x+2)^2

Using the formula, x=(17±√(289+192))/6=(17±√481)/6=6.4886 or-0.8220 (approx).
by Top Rated User (1.2m points)

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