X 4 5x 15 July 8, 2019 16 32 64 128 4 2 x 7 5x 15 4x 3 X 4 5x 3 15x 9 X 4 3x 3 5x 15 0 X 3 5x 4 15 X 2 - 4 or 5x - 15 4 5x x 15x 16 3 4 x 5x 7x 15 X 2 3x 4 5x 6 15 4 5x 20 ) x 15 Simplify 4 5x x 15x 16 .4 5x 15 )= 2.5 x 3 X 4 3x 3 5x 2 15x 0 X 4 3x 3 5x 2 15x 5x 15 4 x )= 0 7x 4 5x 15 for x
