-13x+(-x)=20+(4x2)

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Solution for -13x+(-x)=20+(4x2) equation: 



-13x+(-x)=20+(4x^2)

We move all terms to the left:

-13x+(-x)-(20+(4x^2))=0

determiningTheFunctionDomain
-(20+4x^2)-13x+(-x)=0

We add all the numbers together, and all the variables

-(20+4x^2)-13x+(-1x)=0

We get rid of parentheses

-4x^2-13x-1x-20=0

We add all the numbers together, and all the variables

-4x^2-14x-20=0

a = -4; b = -14; c = -20;
Δ = b2-4ac
Δ = -142-4·(-4)·(-20)
Δ = -124
Delta is less than zero, so there is no solution for the equation

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