Solve the equation by factoring.
-$$3 x ^ { 2 } + 7 x = 20$$
A) $\left\{ \frac { 5 } { 3 } , - 4 \right\}$
B) $\left\{ - \frac { 5 } { 3 } , - 4 \right\}$
C) $\left\{ - \frac { 5 } { 3 } , 4 \right\}$
D) $\left\{ \frac { 5 } { 3 } , 4 \right\}$

Question

Quizplus · Accepted Answer

First, rearrange the equation to standard form: $3x^2 + 7x - 20 = 0$. Factoring this quadratic equation, we get $(3x - 5)(x + 4) = 0$, which gives the solutions $x = \frac{5}{3}$ and $x = -4$.

Solve the Equation by Factoring 3x2+7x=203 x ^ { 2 } + 7 x = 203x2+7x=20

Solve the Equation by Factoring $3 x ^ { 2 } + 7 x = 20$