5x 4 9x 2 July 8, 2019 16 32 64 128 4 5x 2 9x 3 5x 2 x 4 9x 23 5x 4 9x 3 2x 2 4x 8 5x 2 9x 4 factored 5x 2 9x 4 0 quadratic formula 9x 4 5x 20 5x 2 x 4 ≤ 9x 20 9x 2 5x 4 180 9x 2 4 5x 3 )- 8 5x 4 2 49x 2 0 8 5x 4 9x 12 24 5x 4 2 49x 2 5x 3x 2 )= 4 9x 2 5x 4 9x 3 19x 2 3x
