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25-10-2017
Mathematics

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Which of the following correctly completes the square for the equation below? X^2-5x=0

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25-10-2017

In a standard binomial equation: ax² + bx + c = 0
To complete the square; divide the middle coefficient "b" in half and square it to find "c".
(-5/2)² = 25/4

x² - 5x + 25/4 = 25/4

completes the square:
(x - 5/2)² = 25/4

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