-5x(x+1)=25

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Solution for -5x(x+1)=25 equation: 



-5x(x+1)=25

We move all terms to the left:

-5x(x+1)-(25)=0

We multiply parentheses

-5x^2-5x-25=0

a = -5; b = -5; c = -25;
Δ = b2-4ac
Δ = -52-4·(-5)·(-25)
Δ = -475
Delta is less than zero, so there is no solution for the equation

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