X-23=a2

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Solution for X-23=a2 equation: 



X-23=X2

We move all terms to the left:

X-23-(X2)=0

We add all the numbers together, and all the variables

-1X^2+X-23=0

a = -1; b = 1; c = -23;
Δ = b2-4ac
Δ = 12-4·(-1)·(-23)
Δ = -91
Delta is less than zero, so there is no solution for the equation

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