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0=-5x^2-125
We move all terms to the left:
0-(-5x^2-125)=0
We add all the numbers together, and all the variables
-(-5x^2-125)=0
We get rid of parentheses
5x^2+125=0
a = 5; b = 0; c = +125;
Δ = b2-4ac
Δ = 02-4·5·125
Δ = -2500
Delta is less than zero, so there is no solution for the equation
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