1.

Factorize the 4-(l-m)^2​

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ANSWER:

\huge{\pink{QUESTION}} \\ \huge \boxed{ 4 - (l - m) {}^{2}} \\ \huge{\green{answer}} \\ = (2) {}^{2} - (l - m) {}^{2}\\ =( 2 + (l - m))(2 - (l - m)) \\ = (2 + l - m)(2 - l + m) \\ \\ \huge{\red{formula}} \\ \boxed{ {x}^{2} - {y}^{2} = (x + y)(x - y)}


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