-3r2-r=-5r+5

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Solution for -3r2-r=-5r+5 equation:



-3r^2-r=-5r+5
We move all terms to the left:
-3r^2-r-(-5r+5)=0
We add all the numbers together, and all the variables
-3r^2-1r-(-5r+5)=0
We get rid of parentheses
-3r^2-1r+5r-5=0
We add all the numbers together, and all the variables
-3r^2+4r-5=0
a = -3; b = 4; c = -5;
Δ = b2-4ac
Δ = 42-4·(-3)·(-5)
Δ = -44
Delta is less than zero, so there is no solution for the equation

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