amy6814 amy6814

07-08-2020
Mathematics

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complete the square to solve
f(x)=x^2-6x+5

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LazyBun LazyBun

07-08-2020

Answer: See below

Explanation:

x^2 - 6x + 5 = 0
(x^2 - 6x + 9) + 5 - 9 = 0
(x - 3)(x - 3) - 4 = 0
(x - 3)^2 = 4
x - 3 = +-2 (sqrt both sides)

x - 3 = 2
x = 5

x - 3 = -2
x = 1

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