Question

Simplifique as expressões

a) x.(x+1)+x

b) 2x.(x-1)+3(x+2)

c) x.(x-2)+x(x+5)+1

​

Answer 1

Explicação passo-a-passo:

a) x² + x + x=

x² +2x

b) 2x² -2x +3x +6=

2x² + x +6

c) x² -2x + x² +5x +1=

x² + x² -2x +5x +1=

2x² +3x +1