Posted by Katie A on Wednesday, October 12, 2011 at 4:02pm.
yes it is, as:
w^2-13w+42=0
(w-7)(w-6)=0
You correctly factored the trinomial, but that's not the solution.
If (x-6)(x-7) = 0, then the equation is true only if one of the factors is zero.
So, the solution is, x=6 or 7
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