9x2 2x 7 4x2 7x 2 July 8, 2019 16 32 64 128 Simplify the following expression 9x2 2x 7 4x2 7x 2 2x 7 9 - 2(- 4x + 7) = 7 9 - 2 x - 4 x + 7 = 7 2 ⋅ ( 7 + 9 x ) = − 6 x + 2
