6(a+12)-a=-2a(a+6)

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Solution for 6(a+12)-a=-2a(a+6) equation: 



6(a+12)-a=-2a(a+6)

We move all terms to the left:

6(a+12)-a-(-2a(a+6))=0

We add all the numbers together, and all the variables

-1a+6(a+12)-(-2a(a+6))=0

We multiply parentheses

-1a+6a-(-2a(a+6))+72=0



We calculate terms in parentheses: -(-2a(a+6)), so:

-2a(a+6)

We multiply parentheses

-2a^2-12a

Back to the equation:

-(-2a^2-12a)



We add all the numbers together, and all the variables

-(-2a^2-12a)+5a+72=0

We get rid of parentheses

2a^2+12a+5a+72=0

We add all the numbers together, and all the variables

2a^2+17a+72=0

a = 2; b = 17; c = +72;
Δ = b2-4ac
Δ = 172-4·2·72
Δ = -287
Delta is less than zero, so there is no solution for the equation

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