X 7 x 2 4 July 8, 2019 16 32 64 128 X 7 x 2 4x 21 X 7 x 2 49 X 7 )( x 2 49 )= 0 X 7 )( x 2 4 )= 0 X 7 )( x 2 4x 5 7 x x 2 4 5 X 7 2 x 4 3 X 7 )( x 5 )= 2 4x 21 Simplify x 7 x 2 4x 21 X 7 )( x 2 4x 2 X 7 )( x 2 3x 4 X 7 )( x 2 2x 4 F x )=( x 7 2 4 X 3x 7 )+ x 4x 2 F x )=( x 7 2 4 minimum
