abigailgracebrock abigailgracebrock

06-09-2019
Mathematics

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Complete the square x^2+6x=12

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Аноним Аноним

07-09-2019

Answer:

(x + 3)^2 = 21.

Step-by-step explanation:

x^2 + 6x = 12

6 / 2 = 3 so we have:

x^2 + 6x = (x + 3)^2 - 9 so:

(x + 3)^2 - 9 = 12

(x + 3)^2 = 21.

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