Question 369341
(w+.5)(w+.2)
w^2+.2w+.5w+.1
w^2+7/10w+1/10
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(w+1/2)(w+1/5)
w^2+1/5w+1/2w+1/2*1/5
w^2+2/10w+5/10w+1/10
w^2+7/10w+1/10