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Step-by-step Solution
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Find the roots of the equation using the Quadratic Formula
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$\frac{x-4}{x+5}=\frac{3x-12}{x+7}$
Learn how to solve equations problems step by step online. Find the roots of (x-4)/(x+5)=(3x-12)/(x+7). Find the roots of the equation using the Quadratic Formula. Factor the polynomial 3x-12 by it's greatest common factor (GCF): 3. Apply fraction cross-multiplication. Cancel x-4 from both sides of the equation.