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24-10-2018
Mathematics

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(x+12)^2=9

please answer

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lcckidsay lcckidsay

24-10-2018

Answer:

Step-by-step explan

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altavistard altavistard

24-10-2018

Answer:

x = -15 and x = -9

Step-by-step explanation:

(x+12)^2=9 can be solved for x as follows:

1) take the sqrt of both sides: x + 12 = plus or minus 3

2) x = -12 plus or minus 3

3) x = -15 and x = -9

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