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2r^2+3=-49
We move all terms to the left:
2r^2+3-(-49)=0
We add all the numbers together, and all the variables
2r^2+52=0
a = 2; b = 0; c = +52;
Δ = b2-4ac
Δ = 02-4·2·52
Δ = -416
Delta is less than zero, so there is no solution for the equation
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