5h-7=h(h+1)

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Solution for 5h-7=h(h+1) equation: 



5h-7=h(h+1)

We move all terms to the left:

5h-7-(h(h+1))=0



We calculate terms in parentheses: -(h(h+1)), so:

h(h+1)

We multiply parentheses

h^2+h

Back to the equation:

-(h^2+h)



We get rid of parentheses

-h^2+5h-h-7=0

We add all the numbers together, and all the variables

-1h^2+4h-7=0

a = -1; b = 4; c = -7;
Δ = b2-4ac
Δ = 42-4·(-1)·(-7)
Δ = -12
Delta is less than zero, so there is no solution for the equation

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