4m^2+9n^2 - 12mn-1 solve
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Answer:
4m2+9n2-12mn-1
(2n) 2+(3n)2+2*3*2mn-1
(a-b)2=a2+b2-2ab
(2n-3m) 2-1
(2n-3m+1)(2n-3m-1)
Step-by-step explanation:
The no. after the brackets are rajsed to the power
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