September 2018 2 7 Report

1.

a) 2x(y-x)=

b) -4y(y-2x)=

c) 3x(2xy+3x)=

d) 3m(4+5p-2q)=

e) -5x (x-2y+2)=

f) -4a(-5a+5ab-3b)=

2.

a) -3(2y-3x) + 2 (3y+2x)=

b) -4(x-5y) - 3(-2y-x)=

c) 2x(x+2y)-x(2x+y)=

d) -x(z-y)-z(-x+y)=

e) 4(x+y)-2(x-y)-3X(1+y)=

f) -5x(2-y) - y(5x+1) + 10x (-y+1)=

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