-2(7f+4)f=7

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Solution for -2(7f+4)f=7 equation: 



-2(7f+4)f=7

We move all terms to the left:

-2(7f+4)f-(7)=0

We multiply parentheses

-14f^2-8f-7=0

a = -14; b = -8; c = -7;
Δ = b2-4ac
Δ = -82-4·(-14)·(-7)
Δ = -328
Delta is less than zero, so there is no solution for the equation

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