0=2r^2-13+18

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Solution for 0=2r^2-13+18 equation: 



0=2r^2-13+18

We move all terms to the left:

0-(2r^2-13+18)=0

We add all the numbers together, and all the variables

-(2r^2-13+18)=0

We get rid of parentheses

-2r^2+13-18=0

We add all the numbers together, and all the variables

-2r^2-5=0

a = -2; b = 0; c = -5;
Δ = b2-4ac
Δ = 02-4·(-2)·(-5)
Δ = -40
Delta is less than zero, so there is no solution for the equation

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