15 5x 2 0 July 8, 2019 16 32 64 128 5x 15 )( 4x 2 )= 0 15 /( 4 x )( 2 5x 0 5x 2 20x 15 0 5x 2 10x 15 0 5x 2 22x 15 0 5x 2 28x 15 0 5x 2 22x 15 0 solve by factoring 5x 2 8x 15 0 5x 2 3x 15 0 5x 2 2x 15 0 5x 2 x 15 0 0 15 5x 2 0.4 x 1 5x 2 4x 15 0 quadratic formula 5x 2 30x 15 0 Solve 5x 2 22x 15 0
