(x+5)*4+x*x=4

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Solution for (x+5)*4+x*x=4 equation: 



(x+5)*4+x*x=4

We move all terms to the left:

(x+5)*4+x*x-(4)=0

We multiply parentheses

4x+x*x+20-4=0

Wy multiply elements

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

We add all the numbers together, and all the variables

x^2+4x+16=0

a = 1; b = 4; c = +16;
Δ = b2-4ac
Δ = 42-4·1·16
Δ = -48
Delta is less than zero, so there is no solution for the equation

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