24=12-x(x+3)

Solution for 24=12-x(x+3) equation:

24=12-x(x+3)

We move all terms to the left:

24-(12-x(x+3))=0


We calculate terms in parentheses: -(12-x(x+3)), so:

12-x(x+3)

determiningTheFunctionDomain
-x(x+3)+12

We multiply parentheses

-x^2-3x+12

We add all the numbers together, and all the variables

-1x^2-3x+12

Back to the equation:

-(-1x^2-3x+12)


We get rid of parentheses

1x^2+3x-12+24=0

We add all the numbers together, and all the variables

x^2+3x+12=0

a = 1; b = 3; c = +12;
Δ = b2-4ac
Δ = 32-4·1·12
Δ = -39
Delta is less than zero, so there is no solution for the equation