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Solve: x^{2} – 13x = 30 |
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Solve: 20x^{2} – 130x = –200 |
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Solve: 4x(2x + 3) = 36 | ||

Solve: 27x^{2} = 12 |
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Solve: (x + 3)^{2} – (2x – 1)^{2} = 0 |
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Solve: x(x + 4) = 32 | ||

Solve: (2x – 5)(x + 1) = –12x | ||

Solve: (x – 7)^{2} + x^{2} = (x + 1)^{2} |