ACT 2018 June(A11) Math Question 13 Explanation - ACT Helper

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2018 June(A11) Math Question 13
Quadratic Equations
- Factoring
Choice C
$\begin{array}{r} x^{2} + x - 30 = 0 \\ \Rightarrow (x + 6) (x - 5) = 0 \\ \Rightarrow x = - 6, 5 \\ \Rightarrow s u m o f t w o s o l u t i o n s = - 6 + 5 = - 1 \end{array}$
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