Solve the equation.
-$$4 \sqrt { x } = \sqrt { 9 x + 9 }$$
A) $\left\{ - \frac { 9 } { 5 } \right\}$
B) $\left\{ \frac { 9 } { 7 } \right\}$
C) $\left\{ \frac { 9 } { 25 } \right\}$
D) $\left\{ - \frac { 9 } { 8 } \right\}$

Question

Quizplus · Accepted Answer

Squaring both sides of the equation $4 \sqrt{x} = \sqrt{9x + 9}$ gives $16x = 9x + 9$. Solving for $x$ yields $7x = 9$, so $x = \frac{9}{7}$.

Solve the Equation 4x=9x+94 \sqrt { x } = \sqrt { 9 x + 9 }4x​=9x+9​

Solve the Equation $4 \sqrt { x } = \sqrt { 9 x + 9 }$