Example

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

Question

$$xy+1-3xy-4$$

Answer

-2*x*y-3

Solution


Collect like terms.
\[(xy-3xy)+(1-4)\]
Simplify.
\[-2xy-3\]
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