Tìm x, biết
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Bài 2: Tìm x, biết:
1/ \( 5x \left( \frac{1}{5}x - 2 \right) + 3 \left( 6 - \frac{1}{3}x^2 \right) = 12 \)
2/ \( 3 \left( \frac{4}{3}x + 1 \right) - 4x(x - 2) = 10 \)
3/ \( 5(x^2 - 3x + 1) + x(1 - 5x) = x - 2 \)
4/ \( 12x^2 - 4x(3 - 5) = 10x - 17 \)
5/ \( 4x(x - 5) - 7x(x - 4) + 3x^2 = 12 \)
Bài 2: Tìm x, biết:
1/ \( 5x \left( \frac{1}{5}x - 2 \right) + 3 \left( 6 - \frac{1}{3}x^2 \right) = 12 \)
2/ \( 3 \left( \frac{4}{3}x + 1 \right) - 4x(x - 2) = 10 \)
3/ \( 5(x^2 - 3x + 1) + x(1 - 5x) = x - 2 \)
4/ \( 12x^2 - 4x(3 - 5) = 10x - 17 \)
5/ \( 4x(x - 5) - 7x(x - 4) + 3x^2 = 12 \)