Find the Approximate Solution(s) of the Equation $2 x ^ { 2 } + 3 x - 8 = 0$

Short Answer

Find the approximate solution(s) of the equation $2 x ^ { 2 } + 3 x - 8 = 0$
in the interval $[ - 3,3 ]$
by drawing a graph in an appropriate viewing rectangle. State each answer correct to two decimals.