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Solve the following quadratic equations by completing the square method.(1) x2 + x – 20 = 0(2) x2 + 2x – 5 = 0(3) m2 – 5m = –3(4) 9y2 – 12y + 2 = 0(5) 2y2 + 9y +10 = 0(6) 5x2 = 4x + 7 |
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Answer» Solve the following quadratic equations by completing the square method. (1) x2 + x – 20 = 0 (2) x2 + 2x – 5 = 0 (3) m2 – 5m = –3 (4) 9y2 – 12y + 2 = 0 (5) 2y2 + 9y +10 = 0 (6) 5x2 = 4x + 7 |
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