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Completing the square. a^2+2a-3=0

Completing the square. a^2+2a-3=0
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Completing the square. a^2+2a-3=0

User BestPractices
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1 Answer

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a^2 + 2a - 3 = 0

a^2 + 2a = 3

a^2 + 2a + 1 = 3 + 1 (I added a 1 to both sides)

a^2 + 2a + 1= 4

(a + 1)^2 = 4

a = -3, 1

User Patrick Johnmeyer
by
7.5k points
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