Solve the quadratic equation below by factoring. $x ^ { 2 } + x = 72$
A) $x = - 1,8$.
B) $x = - 9,8$.
C) $x = - 1,8$
D) $x = - 8,9$
E) $x = 8,9$

Name: Solve the quadratic equation below by factoring. $x ^ { 2 } + x = 72$ A) $x = - 1,8$. B) $x = - 9,8$. C) $x = - 1,8$ D) $x = - 8,9$ E) $x = 8,9$
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Quizplus · Accepted Answer

First, rearrange the equation to standard form: $x^2 + x - 72 = 0$. Factoring the quadratic equation, we get $(x + 9)(x - 8) = 0$, which gives the solutions $x = -9$ and $x = 8$.

Solve the Quadratic Equation Below by Factoring x2+x=72x ^ { 2 } + x = 72x2+x=72

Solve the Quadratic Equation Below by Factoring $x ^ { 2 } + x = 72$