X=7x2-2x+1

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Solution for X=7x2-2x+1 equation: 



X=7X^2-2X+1

We move all terms to the left:

X-(7X^2-2X+1)=0

We get rid of parentheses

-7X^2+X+2X-1=0

We add all the numbers together, and all the variables

-7X^2+3X-1=0

a = -7; b = 3; c = -1;
Δ = b2-4ac
Δ = 32-4·(-7)·(-1)
Δ = -19
Delta is less than zero, so there is no solution for the equation

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