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Q1 What would you add to both sides of the equation in order to
solve the quadratic equation by completing the square?
a² - 5a = -4
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1 Answer

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See below

Step-by-step explanation:

Take 1/2 of the 'a' coefficient, square it and add it

a^2 -5a + (-2.5)^2 = -4 +(- 2.5^2)

(a - 2.5)^2 = 2.25
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