-1.3x(2x-5)=31

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Solution for -1.3x(2x-5)=31 equation: 



-1.3x(2x-5)=31

We move all terms to the left:

-1.3x(2x-5)-(31)=0

We multiply parentheses

-2x^2+5x-31=0

a = -2; b = 5; c = -31;
Δ = b2-4ac
Δ = 52-4·(-2)·(-31)
Δ = -223
Delta is less than zero, so there is no solution for the equation

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