EQUAZIONI ALGEBRICHE INTERE PRIMO GRADO n°5
Prof. Mauro La Barbera
5(x – 2) – 3(x – 1) = 8 – 3x
- x = 3
- x = 2
- x = 1
- x = – 3
(x – 7)(x + 7) = (x + 1)²
- x = – 25
- x = – 5
- x = 7
- x = 25
(x – 3)(x + 1) = (x + 2)²
- impossibile
- x = – 7/6
- x = 7/6
- indeterminata
1,3 x – 1,(3) = 0
- indeterminata
- impossibile
- x = 40/39
- x = 26/15
– 3(x – 5) = 21– 3(x + 2)
- x = 1
- impossibile
- x = 0
- indeterminata
(x –1)(x – 3) – 3 = (x – 9)² + 3
- x = 14
- x = – 1
- x = 2
- x = 6
(x + 1)(x – 7) = (x – 6)² – 1
- x = – 5
- x = 7
- x = 6
- x = – 6
(x + 1/2)² = (x – 1)²
- x = 4
- impossibile
- x = 1/4
- x = 9/4
x + 1/2 = 1/5
- impossibile
- indeterminata
- x = 3/10
- x = – 3/10
1,5x – 2,1 = 0
- x = 7/5
- x = 5
- x = – 7,5
- x = 10