what is equivalent to -3(3y-2x)+2(5x-4y)
-9y+6x+10x-8yto expand brackets, you multiply the number outside by the numbers inside. first -3x3= -9. -2 by -3 is 62 by 5 is 102 by -4 is -8
-3(3y-2x)+2(5x-4y)=-9y+6x+10x-8y=-17y+16x=16x-17y