16*(2*l - 3*m)^2 - 12*(-2*lambda %2B 3*m) – InterviewSolution

1.	16(2l - 3m)^2 - 12(-2lambda %2B 3m)
Answer» =16(2l-3m)+12(2l-3m)=(2l-3m)(16+12)=28(2l-3m)

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