6x-(7-x)x=-1

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Solution for 6x-(7-x)x=-1 equation: 



6x-(7-x)x=-1

We move all terms to the left:

6x-(7-x)x-(-1)=0

We add all the numbers together, and all the variables

6x-(-1x+7)x-(-1)=0

We add all the numbers together, and all the variables

6x-(-1x+7)x+1=0

We multiply parentheses

1x^2+6x-7x+1=0

We add all the numbers together, and all the variables

x^2-1x+1=0

a = 1; b = -1; c = +1;
Δ = b2-4ac
Δ = -12-4·1·1
Δ = -3
Delta is less than zero, so there is no solution for the equation

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