Question 998652
Hi there,
(8x+7y)(3x-5y)-(x-3y)(2x-3y)
24x^2 -40xy + 21xy -35y^2 -(2x^2 - 3xy - 6xy + 9y^2)
24x^2 -19xy -35y^2 - 2x^2 + 9xy - 9y^2
Collect like terms:
22x^2 - 10xy - 44y^2
Hope this helps :-)