4 2 5x 0 July 8, 2019 16 32 64 128 4 25x 2 0 4 x 2 5x 0 0 4 (- 2 5x 0 6 19x 4 5x 2 0 4 8x 5x 2 0 2x 4 5x 2 0 4 5x 2 45 0 3x 4 5x 2 0 X 4 25x 2 0 15 /( 4 x )( 2 5x 0 4 x 2 5x 6 0 6x 2 5x 4 0 X 4 5x 2 36 0 X 2 5x 4 0 quadratic formula 4x 4 5x 2 1 0
