Tìm X
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Bài 2. Tìm X,
biết:
1) 3x³ - 3x = 0
2) x (x + 1)-x² +1=0
3) x (x-2) + x-2=0
4) (3x - 1) (2x-7) - (1 - 3x) (6x - 5) = 0
5) (2x-3)²-(x + 5)² = 0
-
6) (2x² - 4x): 2x − (3x − 1)² :(3x − 1) = 0
(x+4)²-(x-1)(x+1)=16
7)
8) (2x-1)² + (x+3)²-5(x+7)(x-7)=0
Bài 2. Tìm X,
biết:
1) 3x³ - 3x = 0
2) x (x + 1)-x² +1=0
3) x (x-2) + x-2=0
4) (3x - 1) (2x-7) - (1 - 3x) (6x - 5) = 0
5) (2x-3)²-(x + 5)² = 0
-
6) (2x² - 4x): 2x − (3x − 1)² :(3x − 1) = 0
(x+4)²-(x-1)(x+1)=16
7)
8) (2x-1)² + (x+3)²-5(x+7)(x-7)=0