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5x^2-7x+13=10
We move all terms to the left:
5x^2-7x+13-(10)=0
We add all the numbers together, and all the variables
5x^2-7x+3=0
a = 5; b = -7; c = +3;
Δ = b2-4ac
Δ = -72-4·5·3
Δ = -11
Delta is less than zero, so there is no solution for the equation
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