Tìm x
giúp mik với ạ cảm ơn nhiều
----- Nội dung ảnh -----
4) \( x^2 - x + \frac{1}{4} = 0 \)
5) \( x^2 - 10x = -25 \)
6) \( 4x^2 - 4x = -1 \)
7) \( (2x - 1)^2 - 25 = 0 \)
8) \( 27x^3 + 27x^2 + 9x + 1 = 0 \)
9) \( 9x^2(x + 1) - 4(x + 1) = 0 \)
10) \( (x + 1)^3 - 25(x + 1) = 0 \)
----- Nội dung ảnh -----
4) \( x^2 - x + \frac{1}{4} = 0 \)
5) \( x^2 - 10x = -25 \)
6) \( 4x^2 - 4x = -1 \)
7) \( (2x - 1)^2 - 25 = 0 \)
8) \( 27x^3 + 27x^2 + 9x + 1 = 0 \)
9) \( 9x^2(x + 1) - 4(x + 1) = 0 \)
10) \( (x + 1)^3 - 25(x + 1) = 0 \)