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professor190 [17]
3 years ago
14

19 points!

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
5 0

Answer:

36

Step-by-step explanation:

The coefficient of the x term in your X^2+12x=11 is 12.

Take half of that, obtaining 6.

Square this result, obtaining 36.

Add this number to both sides, obtaining x^2 + 12x + 36 = 11 + 36

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