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Quadratic Equations : Completing the Square

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1) Find the perfect square trinomial whose first two terms are given: w^2 - 5w
2) Solve by completing the square: 2m^2 - m - 15 = 0
3) Solve by using the quadratic formula: -x^2 - 3x + 5 = 0.

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Quadratic equations are solved by completing the square and providing step-by-step details. The solution is detailed and well presented.

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1) Find the perfect square trinomial whose first two terms are given.
w2 - 5w
Adding (5/2)2 we get ...

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