8x^2 +21=-59x 8x^2 +59x+21=-59x+59x 8x^2 +59x+21=0 (x )(8x ) ( +7)( +3) (x+7) (8 x+3) = 0 Solve: (x+7)=0 x+7-7=0-7 x=-7 Solve: (8 x+3) = 0 8x+3-3=0-3 8x=-3 8x/8=-3/8 x=-3/8