Jwaban pertama jadi jwban ter-Brainly Tlong dibantu ya!

2x.
8+4x.
-4x+12
12-3x
5x²-2y²+xy
semoga membantu

a. 5x-3x
=2x
b. 9+4x-1
=9-1+4x
=8 +4x
c. 4x-8x+12
=-4x + 12
d. 7-2x-x+5
=7+5-2x-x
=12-3x
e. =3x²+3y²-5xy+2x²-5y²+6xy
=3x²+2x²+3y²-5y²-5xy+6xy
=5x²-2y²+xy