Final Answer
$x=3,\:x=-5$
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Step-by-step Solution
Problem to solve:
$x^2+2x-15=0$
Specify the solving method
1
Factor the trinomial $x^2+2x-15$ finding two numbers that multiply to form $-15$ and added form $2$
$\begin{matrix}\left(-3\right)\left(5\right)=-15\\ \left(-3\right)+\left(5\right)=2\end{matrix}$
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$\begin{matrix}\left(-3\right)\left(5\right)=-15\\ \left(-3\right)+\left(5\right)=2\end{matrix}$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation x^2+2x-15=0. Factor the trinomial x^2+2x-15 finding two numbers that multiply to form -15 and added form 2. Thus. Break the equation in 2 factors and set each equal to zero, to obtain. Solve the equation (1).
Final Answer
$x=3,\:x=-5$