solve this attached file
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Answer:
Hi friends
Step-by-step explanation:
13 is the answer
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Step-by-step explanation:
D) 13 IS THE RIGHT ANSWER.
(a+b)^2= a^2+b^2+2ab
(7)^2 = a^2+b^2+2.12
49-24 = a^2+b^2
now
a^2+b^2-ab
25-12
13.
PLEASE MARK AS THE BRAINLIEST ANSWER.
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