Question

Simplifique as expressões abaixo

a) 2x+3x
b)6y-4y+5y
c)3a-6a-a
d)25x²y+5x²y

Answer 1

$a)2x + 3x = (2 + 3)x = 5x \\ \\ b)6y - 4y + 5y = (6 - 4 + 5)y = 7y \\ \\ c)3a - 6a - a = (3 - 6 - 1)a = - 4a \\ \\ d)25 {x}^{2} y + 5 {x}^{2} y = (25 + 5) {x}^{2} y = 30 {x}^{2} y$