w(7w-10)+4=0

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Solution for w(7w-10)+4=0 equation: 



w(7w-10)+4=0

We multiply parentheses

7w^2-10w+4=0

a = 7; b = -10; c = +4;
Δ = b2-4ac
Δ = -102-4·7·4
Δ = -12
Delta is less than zero, so there is no solution for the equation

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