Simplify (a+b) (2a – 3b +c) –c(2a-3b) – InterviewSolution

1.

Simplify (a+b) (2a – 3b +c) –c(2a-3b)

Answer»

$2a {}^{2} - 3ab + ac + 2ab - 3b {}^{2} + cb - 2ac + 3bc$

$2a {}^{2} - 3b {}^{2} - 3ab + 2ab + ac - 2ac + bc + 3bc$

$2a {}^{2} - 3b {}^{2} - ab - ac + 4cb$

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