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Factor the trinomial $x^2+x-20$ finding two numbers that multiply to form $-20$ and added form $1$
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$\begin{matrix}\left(-4\right)\left(5\right)=-20\\ \left(-4\right)+\left(5\right)=1\end{matrix}$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation x^2+x+-20=0. Factor the trinomial x^2+x-20 finding two numbers that multiply to form -20 and added form 1. Thus. Break the equation in 2 factors and set each equal to zero, to obtain. Solve the equation (1).