Example

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

Question

$$a2+6a+9$$

Answer

8*a+9

Solution


Regroup terms.
\[2a+6a+9\]
Collect like terms.
\[(2a+6a)+9\]
Simplify.
\[8a+9\]
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