Two times two is four.
If you mean lumber, it is a piece of wood that is about 1-3/4" by 1-3/4".
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6 x 2 + 6 + 18
5
4
(x^2)+2x=y? or X^(2+2x)=y either way whats the value of y? so we can determine x
It would help if the expression was given!