Question

Simplifique as expressões:
a) 7x - 4x + 3x
b) 15x² + x - 2x
c) 5xy + 15xy - 12xy + 2xy
e) 9x'y' – 18x*y* - 10x'y' + 2x^y
​

Answer 1

(a) 6x e (b) 15x^2-x e(c)5xy (e)-x'y'-18x*y*+2x^y