SOLUTION: Multiply: {{{ (3x-y)(2x^2-3xy+3y^2) }}}

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Multiply: {{{ (3x-y)(2x^2-3xy+3y^2) }}}       Log On


   

Question 698745: Multiply: +%283x-y%29%282x%5E2-3xy%2B3y%5E2%29+
Answer by vidya p(12) About Me  (Show Source):
You can put this solution on YOUR website!
Solution :
Multiply :
( 3x - y)(2x^2 - 3xy + 3y^2)
=> 3x ( 2x^2 - 3xy + 3y^2 ) - y ( 2x^2 - 3xy + 3y^2 )
=> 6x^3 - 9x^2y + 9xy^2 - 2x^2y + 3xy^2 - 3y^3
combine the like terms :
=> 6x^3 - 11x^2y + 12xy^2 - 3y^3