Solve.
-$$\sqrt [ 3 ] { 4 x + 7 } = - 3$$
A) $\frac { 17 } { 2 }$
B) $- \frac { 17 } { 2 }$
C) 5
D) $- 34$

Question

Quizplus · Accepted Answer

To solve the equation $\sqrt[3]{4x + 7} = -3$, cube both sides to get rid of the cube root: $(\sqrt[3]{4x + 7})^3 = (-3)^3$, which simplifies to $4x + 7 = -27$. Solving for $x$, subtract 7 from both sides to get $4x = -34$, and then divide by 4 to find $x = -\frac{34}{4} = -\frac{17}{2}$.

Solve - 4x+73=−3\sqrt [ 3 ] { 4 x + 7 } = - 334x+7​=−3

Solve
- $\sqrt [ 3 ] { 4 x + 7 } = - 3$