Answer:
256
Step-by-step explanation:
i think
w=6
First, rearrange the equation.
w^2 + 4w - 60 = 0
Next, factor.
10-6=4, (-6)(10)=-60
(w+10)(w-6)=0
w=-10 or 6
There is no such this as negative length, so the answer must be 6.
