x(x+1)-5(x-2)=2

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Solution for x(x+1)-5(x-2)=2 equation: 



x(x+1)-5(x-2)=2

We move all terms to the left:

x(x+1)-5(x-2)-(2)=0

We multiply parentheses

x^2+x-5x+10-2=0

We add all the numbers together, and all the variables

x^2-4x+8=0

a = 1; b = -4; c = +8;
Δ = b2-4ac
Δ = -42-4·1·8
Δ = -16
Delta is less than zero, so there is no solution for the equation

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