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09-03-2018
Mathematics

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3( + 2) − (2 − 7) = x^2 + 13x

Please explain how she got the answer x^2 + 13x

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09-03-2018

Let's solve your equation step-by-step.
(3)(2)−(2−7)=x2+13x
Step 1: Simplify both sides of the equation.
11=x2+13x

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