Question

e) 62xy + 17xyz +64+xy-18xyz +9y+21 +92yz
f) x²-xy² + xy-y² +1-x²+yx
g) 23-a+b-ab+b²-a²b²-2a-(3ab)²
Help
Cambridge !!

Answer 1

1.63xy-xyz+85+9y+92yz
2.-xy^2+2xy-y^2+1
3.23-3a+b-ab+b^2-10a^2b^2