4 5x (- 2 9 July 8, 2019 16 32 64 128 4 5x 2 9x 3 4 5x 2 )= 92 4 5x 2 )= 9 4x 8 X 4 5x 2 9 5x 4 9x 2 4 5x 2 )- 3x 9 X 4 5x 2 9 0 4 5x 2 7 9 1 8 4 5x − 2 2 9x 1 − 8 5x 4 18x 2 9 4 5x 3 9 2 6x 1 8 5x 2 9x 4 factored 4 9 5x 2 )= 356 5x 2 9x 4 0 quadratic formula 4x 4 5x 2 7x 9 )/( 2x 3
