Question

Efetue as adição algébrica

Answer 1

a) xy - 10xy = 9xy

b) 4m + m = 5m

c) -6abc - abc - 8abc - 3abc - 7abc =-25abc

d) - 2x²y + 5x²y - 3x²y = 0

e) 12ab²c + 12ab²c = 24ab²c

f) - 9p²q³r + 13p²q³r - p³q3r+6p²q³r= 10p²q³r- p²q³r = 9 p²q³r