10 5x 4 2x July 8, 2019 16 32 64 128 2 5x 10 )= 4 2x 5 4 5x 10 )= 3 2x 15 10 (- 4 5x 3 )- 2x 5x 10 4x 8 4 2x x 2 5x 4 2x 10 answer 10 5x 4 5 2x 4 2x 10 5x 4 90 5x 10 x 2 7 2x 4 5x 4 2x 2 16 10 x 2 Solve 10 5x 4 5 2x 4