Left(-7x^ 2 right) left(4x right)(−7x2)(4x) July 8, 2019 16 32 64 128 Left(-7x^ 4 right)^ 2 2x 7 Left(-7x^ 5 right) left(-2x^ 4 right)(−7x5)(−2x4) Left(-7x^ 4 right)^ 2 (−7x 4 ) 2
