w(4-w)=8-w

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Solution for w(4-w)=8-w equation: 



w(4-w)=8-w

We move all terms to the left:

w(4-w)-(8-w)=0

We add all the numbers together, and all the variables

w(-1w+4)-(-1w+8)=0

We multiply parentheses

-1w^2+4w-(-1w+8)=0

We get rid of parentheses

-1w^2+4w+1w-8=0

We add all the numbers together, and all the variables

-1w^2+5w-8=0

a = -1; b = 5; c = -8;
Δ = b2-4ac
Δ = 52-4·(-1)·(-8)
Δ = -7
Delta is less than zero, so there is no solution for the equation

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