Posted by **Katie A** on Wednesday, October 12, 2011 at 4:02pm.

Sovle

w^2-13w+42=0

I get -6,-7 is this correct????

- Math Help -
**Robert**, Wednesday, October 12, 2011 at 4:24pm
yes it is, as:

w^2-13w+42=0

(w-7)(w-6)=0

- Math Help -
**Anonymous**, Wednesday, October 12, 2011 at 4:31pm
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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