3 4x 4 3 x 1 ) 5 2 July 8, 2019 16 32 64 128 3 4x 4 3 x 1 )+ 5 2 3 4 4x 1 3x 5 4 x 2 2x 3 5 x 3 4 4x 1 7 3 4x 3 2x =- 1 4 1 2 x 5 3 4 x 3 )-( 2x 1 4x )= x 3 5 2x 3 5 x 3 4 4x 1 7 solve and check 3 ( 4 x − 5 ) = ( 3 x + 4 2 1 ) 2
