4(1-x)+3x=-2x(x+1)

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Solution for 4(1-x)+3x=-2x(x+1) equation: 



4(1-x)+3x=-2x(x+1)

We move all terms to the left:

4(1-x)+3x-(-2x(x+1))=0

We add all the numbers together, and all the variables

4(-1x+1)+3x-(-2x(x+1))=0

We add all the numbers together, and all the variables

3x+4(-1x+1)-(-2x(x+1))=0

We multiply parentheses

3x-4x-(-2x(x+1))+4=0



We calculate terms in parentheses: -(-2x(x+1)), so:

-2x(x+1)

We multiply parentheses

-2x^2-2x

Back to the equation:

-(-2x^2-2x)



We add all the numbers together, and all the variables

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

We get rid of parentheses

2x^2+2x-1x+4=0

We add all the numbers together, and all the variables

2x^2+x+4=0

a = 2; b = 1; c = +4;
Δ = b2-4ac
Δ = 12-4·2·4
Δ = -31
Delta is less than zero, so there is no solution for the equation

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