X(x+3)=4(x-1)

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Solution for X(x+3)=4(x-1) equation: 



X(X+3)=4(X-1)

We move all terms to the left:

X(X+3)-(4(X-1))=0

We multiply parentheses

X^2+3X-(4(X-1))=0



We calculate terms in parentheses: -(4(X-1)), so:

4(X-1)

We multiply parentheses

4X-4

Back to the equation:

-(4X-4)



We get rid of parentheses

X^2+3X-4X+4=0

We add all the numbers together, and all the variables

X^2-1X+4=0

a = 1; b = -1; c = +4;
Δ = b2-4ac
Δ = -12-4·1·4
Δ = -15
Delta is less than zero, so there is no solution for the equation

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