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Factor the trinomial $t^2+8t-9$ finding two numbers that multiply to form $-9$ and added form $8$
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$\begin{matrix}\left(-1\right)\left(9\right)=-9\\ \left(-1\right)+\left(9\right)=8\end{matrix}$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation t^2+8t+-9=0. Factor the trinomial t^2+8t-9 finding two numbers that multiply to form -9 and added form 8. Thus. Break the equation in 2 factors and set each equal to zero, to obtain. Solve the equation (1).