57=-3m(m+5)+m

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Solution for 57=-3m(m+5)+m equation: 



57=-3m(m+5)+m

We move all terms to the left:

57-(-3m(m+5)+m)=0



We calculate terms in parentheses: -(-3m(m+5)+m), so:

-3m(m+5)+m

We add all the numbers together, and all the variables

m-3m(m+5)

We multiply parentheses

-3m^2+m-15m

We add all the numbers together, and all the variables

-3m^2-14m

Back to the equation:

-(-3m^2-14m)



We get rid of parentheses

3m^2+14m+57=0

a = 3; b = 14; c = +57;
Δ = b2-4ac
Δ = 142-4·3·57
Δ = -488
Delta is less than zero, so there is no solution for the equation

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