Choose a Reasonable Method for Solving the Equation $$7 x ^ { 2 } + 8 x = 15$$

Multiple Choice

Choose a reasonable method for solving the equation. Round your answers to three decimal places. $$7 x ^ { 2 } + 8 x = 15$$

A) $x = \frac { 1 } { 7 } , x = - \frac { 1 } { 15 }$
B) $x = 1$
C) $x = - \frac { 7 } { 15 }$
D) $x = - \frac { 15 } { 7 } , x = 1$
E) no real-number solution