5-7x=-4x(x+1)-3

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Solution for 5-7x=-4x(x+1)-3 equation: 



5-7x=-4x(x+1)-3

We move all terms to the left:

5-7x-(-4x(x+1)-3)=0



We calculate terms in parentheses: -(-4x(x+1)-3), so:

-4x(x+1)-3

We multiply parentheses

-4x^2-4x-3

Back to the equation:

-(-4x^2-4x-3)



We get rid of parentheses

4x^2+4x-7x+3+5=0

We add all the numbers together, and all the variables

4x^2-3x+8=0

a = 4; b = -3; c = +8;
Δ = b2-4ac
Δ = -32-4·4·8
Δ = -119
Delta is less than zero, so there is no solution for the equation

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