Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$4u-(m+2)u=$$

Answer

2*u-u*m

Solution


Regroup terms.
\[4u-u(m+2)\]
Expand by distributing terms.
\[4u-(um+2u)\]
Remove parentheses.
\[4u-um-2u\]
Collect like terms.
\[(4u-2u)-um\]
Simplify.
\[2u-um\]
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