9*4=x-2(x-2)(x+4)

Solution for 9*4=x-2(x-2)(x+4) equation:

9*4=x-2(x-2)(x+4)

We move all terms to the left:

9*4-(x-2(x-2)(x+4))=0

We add all the numbers together, and all the variables

-(x-2(x-2)(x+4))+36=0

We multiply parentheses ..

-(x-2(+x^2+4x-2x-8))+36=0


We calculate terms in parentheses: -(x-2(+x^2+4x-2x-8)), so:

x-2(+x^2+4x-2x-8)

determiningTheFunctionDomain
-2(+x^2+4x-2x-8)+x

We multiply parentheses

-2x^2-8x+4x+x+16

We add all the numbers together, and all the variables

-2x^2-3x+16

Back to the equation:

-(-2x^2-3x+16)


We get rid of parentheses

2x^2+3x-16+36=0

We add all the numbers together, and all the variables

2x^2+3x+20=0

a = 2; b = 3; c = +20;
Δ = b2-4ac
Δ = 32-4·2·20
Δ = -151
Delta is less than zero, so there is no solution for the equation