EXERCICIS D’EQUACIONS EXPONENCIALS
32x + 5
= 37
2x + 5 = 7
2x = 2
x = 1
5x + 3
= 25
5x + 3
= 52
x + 3 = 2
x = - 1
21 + x
= 42 - x
21 + x
= 22(2 - x)
1 + x =4 - 2x
x + 2x = 4 - 1
3x = 3
x = 1
2x2- 1
= 8
2x2- 1
= 23
x2
- 1= 3
x2
= 3 + 1
x = 2; x = - 2
5x2- 5x...
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EXERCICIS D’EQUACIONS EXPONENCIALS
32x + 5
= 37
2x + 5 = 7
2x = 2
x = 1
5x + 3
= 25
5x + 3
= 52
x + 3 = 2
x = - 1
21 + x
= 42 - x
21 + x
= 22(2 - x)
1 + x =4 - 2x
x + 2x = 4 - 1
3x = 3
x = 1
2x2- 1
= 8
2x2- 1
= 23
x2
- 1= 3
x2
= 3 + 1
x = 2; x = - 2
5x2- 5x + 6
= 1
5x2- 5x + 6
= 50
x2
- 5x + 6 = 0
x = 2; x = 3
3x
.
(32
)x
= 93
3x
.
(32
)x
= 36
x + 2x = 6
x = 2
Less
