Question

Quanto é : (x-10).(x+2).(x+1) ?​

Answer 1

(x+1)/x).2 =10

(x+1)/x = 10/2

x+1 = 5.x

1= 5x -x

4x=1

x= 1/4

substituindo...

(2x+1)/2x=

(2.1/4 +1)/ (2.1/4)=

(2/4 +1)/ (2/4)=

(1/2 +1)/ (1/2)=

(3/2) / (1/2)=

(3/2).(2/1)=

3