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=(5D^2)+1/2(10)(4)
We move all terms to the left:
-((5D^2)+1/2(10)(4))=0
We get rid of parentheses
-5D^2-1/2104=0
We multiply all the terms by the denominator
-5D^2*2104-1=0
Wy multiply elements
-10520D^2-1=0
a = -10520; b = 0; c = -1;
Δ = b2-4ac
Δ = 02-4·(-10520)·(-1)
Δ = -42080
Delta is less than zero, so there is no solution for the equation
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