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-X^2+X+23=49
We move all terms to the left:
-X^2+X+23-(49)=0
We add all the numbers together, and all the variables
-1X^2+X-26=0
a = -1; b = 1; c = -26;
Δ = b2-4ac
Δ = 12-4·(-1)·(-26)
Δ = -103
Delta is less than zero, so there is no solution for the equation
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