Решение:
1) (Х-2.5)² = 49
(Х-2.5)² = 7²
Х-2.5 = 7
Х = 7 + 2.5
Х = 9.5
2) (6-Х)² = 121
(6-Х)² = 11²
6-Х = 11
Х = 6-11
Х = -5
3) (3-2Х)² = 0.04
(3-2Х)² = 0.2
3-2Х = 0.2
-2Х = 0.2-3
-2Х = -2.8
Х = -2.8/-2
X = 1.4
4) (5Х+1)² = 400
(5Х+1)² = 20²
5X+1 = 20
5X = 20-1
5X = 19
X = 19/5
X = 3.8
Итак, получаем значения переменных:
Х = 9.5, -5, 1.4, 3.8
Решение:
1) (Х-2.5)² = 49
(Х-2.5)² = 7²
Х-2.5 = 7
Х = 7 + 2.5
Х = 9.5
2) (6-Х)² = 121
(6-Х)² = 11²
6-Х = 11
Х = 6-11
Х = -5
3) (3-2Х)² = 0.04
(3-2Х)² = 0.2
3-2Х = 0.2
-2Х = 0.2-3
-2Х = -2.8
Х = -2.8/-2
X = 1.4
4) (5Х+1)² = 400
(5Х+1)² = 20²
5X+1 = 20
5X = 20-1
5X = 19
X = 19/5
X = 3.8
Итак, получаем значения переменных:
Х = 9.5, -5, 1.4, 3.8