Question

ESCREVA as formulas da maneira mais simplificada possível

A) 25-9x+4+2x

B) 3 (x-5)+2 (x-3)

C) -2 (x+4)+3x

D) -3 (-x-2)

Answer 1

a) -7x+29
b) 3x-15+2x-6=
5x-21
c) -2x-8+3x=
x-8
d) 3x-6

Answer 2

Olá,

a) 

25-9x+4+2x = 25+4-9x+2x = 29-7x

b)

3(x-5) + 2(x-3) = 3x-15+2x-6 = 3x+2x-15-6 = 5x-21

c)

-2(x+4)+3x = -2x-8+3x = -2x+3x-8 = x-8

d)

-3(-x-2) = 3x+6