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X^2-10X=-345
We move all terms to the left:
X^2-10X-(-345)=0
We add all the numbers together, and all the variables
X^2-10X+345=0
a = 1; b = -10; c = +345;
Δ = b2-4ac
Δ = -102-4·1·345
Δ = -1280
Delta is less than zero, so there is no solution for the equation
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