How do you combine $5x(3x) – 15(2x)$ ?

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Answer 1 · 2015-06-03T17:07:25

$5x(3x) - 15(2x)$ can not be combined into a single term,
however the following forms may be acceptable:

How do you combine 5x(3x) – 15(2x)5x(3x) – 15(2x)?