Algebra Problem Video
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All Comments (7)
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D is the correct answer.
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THe Answer is D
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(x^2 - 9) / (x^2 + 6x + 9) = y
(x+3)(x-3) / (x+3)(x+3) = y
x != -3, so we can cancel the x+3 term
(x-3) / (x+3) = y
x-3 = xy + 3y
x-xy = 3+3y
x(1-y) = 3+3y
x = (3+3y)/(1-y) = answer (D)
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i suc at algebra
ntlx2 5 years ago
so?
mathproblems 5 years ago
(D) IS THE ANSWER
NidhiS 5 years ago
yes
mathproblems 5 years ago