Question

3. Aflati valoarea expresiei 4x-12 pentru: a) x=7; b) x=0; c) x = -5; d) 3 8 e) x = -0,15; f) x=1, (2).​

Answer 1

Răspuns:

Explicație pas cu pas:

a. x=7

4x-12=28-12=16

b. x=0

4x-12=0-12=-12

c. x=-5

4x-12=-20-12=-32

d. x=38

4x-12=152-12=140

e. x=-0.15

4x-12=-0.6-12=-12.6

f. x=1,(2)

4x-12=4,(8)-12=-7,(1)