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What are the solutions to to the equation x^2+4x+4=12

2 Answers

13 votes

Answer:


x = -2 +2\sqrt 3\\\\x = -2 -2\sqrt 3

Step by step explanation:


~~~~~~x^2 +4x +4 = 12\\\\\implies x^2 +2\cdot 2x + 2^2 = 12\\ \\\implies (x+2)^2 = 12\\\\\implies x +2 = \pm√(12)\\\\\implies x = -2 \pm√(12)\\\\\implies x = -2\pm√(4 * 3)\\\\\implies x = -2 \pm2\sqrt 3

User CarrKnight
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10 votes
The solutions are (x-2-2sqrt3)(x-2+2sqrt3)
User Dean Chalk
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