Question

Rom the sum of 3x +4y -3xy and 5x +3y -2xy subtract the sum of 2x +y – 3xy and 10x -9y -8xy. *

Answer 1

Answer:

15y-4x+6xy

Step-by-step explanation:

(3x+4y-3xy)+ (5x +3y-2xy)-[ (2x+y-3xy) +(10x-9y-8xy)]

= (8x + 7y -5xy)- (12x-8y-11xy)

= 8x+7y-5xy-12x+8y+11xy

=15y-4x+6xy