Question

do in algebra
do only question3
not 4

Answer 1

X+Y+Z
2x²-3xy +4y²+x²+2xy - 3y²+(-4x²) +5xy +y²
=2 x² +x²-4x²-3xy+2xy+5xy+4y²-3y²+y²
= (-x²) +4xy - 2y²

Answer 2

Hope this helps you......^_^