-2(9y-4)7y=4(7+5)

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Solution for -2(9y-4)7y=4(7+5) equation: 



-2(9y-4)7y=4(7+5)

We move all terms to the left:

-2(9y-4)7y-(4(7+5))=0

We add all the numbers together, and all the variables

-2(9y-4)7y-(412)=0

We add all the numbers together, and all the variables

-2(9y-4)7y-412=0

We multiply parentheses

-126y^2+56y-412=0

a = -126; b = 56; c = -412;
Δ = b2-4ac
Δ = 562-4·(-126)·(-412)
Δ = -204512
Delta is less than zero, so there is no solution for the equation

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