w^2=7*(w-2)

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Solution for w^2=7*(w-2) equation: 



w^2=7(w-2)

We move all terms to the left:

w^2-(7(w-2))=0



We calculate terms in parentheses: -(7(w-2)), so:

7(w-2)

We multiply parentheses

7w-14

Back to the equation:

-(7w-14)



We get rid of parentheses

w^2-7w+14=0

a = 1; b = -7; c = +14;
Δ = b2-4ac
Δ = -72-4·1·14
Δ = -7
Delta is less than zero, so there is no solution for the equation

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