M=-8r2+11r-6M=-7-9r+14

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Solution for M=-8r2+11r-6M=-7-9r+14 equation: 



=-8M^2+11M-6=-7-9M+14

We move all terms to the left:

-(-8M^2+11M-6)=0

We get rid of parentheses

8M^2-11M+6=0

a = 8; b = -11; c = +6;
Δ = b2-4ac
Δ = -112-4·8·6
Δ = -71
Delta is less than zero, so there is no solution for the equation

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