Final answer to the problem
$x=3,\:x=-5$
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Step-by-step Solution
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- Solve for x
- Find the derivative using the definition
- Solve by quadratic formula (general formula)
- Simplify
- Find the integral
- Find the derivative
- Factor
- Factor by completing the square
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1
Factor the trinomial $x^2+2x-15$ finding two numbers that multiply to form $-15$ and added form $2$
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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. Rewrite the polynomial as the product of two binomials consisting of the sum of the variable and the found values. Break the equation in 2 factors and set each factor equal to zero, to obtain simpler equations. Solve the equation (1).
Final answer to the problem
$x=3,\:x=-5$
