Answers to Basic Training of New Curriculum Standards of Mathematics in Volume II of Grade 8 of Hunan Education Press - Training Enrollment Network

Answers to Basic Training of New Curriculum Standards of Mathematics in Volume II of Grade 8 of Hunan Education Press

Extract the common factor x(x-2y)(x-2y), and note that it is (x-2y)(x-2y)=(2y-x)(2y-x).

Original formula = x (x-2y) (x-2y) (18x-24y-12y+6x)

=x(x-2y)(x-2y)(24x-36y)

= 12x(x-2y)(x-2y)(2x-3y)

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