Solve the equation.
-$$x ( 3 x + 10 ) = 8$$
A) $\left\{ \frac { 2 } { 3 } , - 4 \right\}$
B) $\left\{ 0 , \frac { 10 } { 3 } \right\}$
C) $\left\{ 0 , - \frac { 10 } { 3 } \right\}$
D) $\{ 3,4 \}$

Question

Quizplus · Accepted Answer

First, expand the equation: $x(3x + 10) = 8$ becomes $3x^2 + 10x - 8 = 0$. Factoring or using the quadratic formula, we find the roots $x = \frac{2}{3}$ and $x = -4$, which matches option A.

Solve the Equation x(3x+10)=8x ( 3 x + 10 ) = 8x(3x+10)=8

Solve the Equation $x ( 3 x + 10 ) = 8$