18a-9=5a(2a+3)

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Solution for 18a-9=5a(2a+3) equation: 



18a-9=5a(2a+3)

We move all terms to the left:

18a-9-(5a(2a+3))=0



We calculate terms in parentheses: -(5a(2a+3)), so:

5a(2a+3)

We multiply parentheses

10a^2+15a

Back to the equation:

-(10a^2+15a)



We get rid of parentheses

-10a^2+18a-15a-9=0

We add all the numbers together, and all the variables

-10a^2+3a-9=0

a = -10; b = 3; c = -9;
Δ = b2-4ac
Δ = 32-4·(-10)·(-9)
Δ = -351
Delta is less than zero, so there is no solution for the equation

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