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Solve y^2+7y+12=0 by completing the square.​
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Solve y^2+7y+12=0 by completing the square.​

Solve y^2+7y+12=0 by completing the square.​-example-1
User Emerito
by
5.6k points

1 Answer

1 vote

Answer:

y = -3, -4

Explanation:

Formula is (b/2)^2

So...

(y+7/2)^2 - 1/4 = 0

Add 1/4 to each side

(y+7/2)^2 = 1/4

Square root...

y+7/2 = +-1/2

Add

y = -3, -4

User Darnir
by
4.5k points
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