
Kenneth S. answered 11/15/16
Tutor
4.8
(62)
Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
= 3x3y-4[18x8y6 + 4x2y2]
= 54x11y2 + 12x5y-2
Your original presentation need not have had those { } all over the place! They just made it less easy to read.