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Find the roots of each of the following quadratic equations if they exist by the method of completing the squares:x2 – 6x + 4 = 0 |
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Answer» x2 – 6x = –4 Add the coefficient of (x/2)2 to both sides x2 – 6x + (3)2 = –4 + (3)2 (x – 3)2 = –4 + 9 x – 3 = √5 x = ±√5 + 3 |
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