3x+9=-3x(x-3)

Simple and best practice solution for 3x+9=-3x(x-3) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x+9=-3x(x-3) equation: 



3x+9=-3x(x-3)

We move all terms to the left:

3x+9-(-3x(x-3))=0



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

-3x(x-3)

We multiply parentheses

-3x^2+9x

Back to the equation:

-(-3x^2+9x)



We get rid of parentheses

3x^2-9x+3x+9=0

We add all the numbers together, and all the variables

3x^2-6x+9=0

a = 3; b = -6; c = +9;
Δ = b2-4ac
Δ = -62-4·3·9
Δ = -72
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 3x/18=5/3 | | (3d+7)=5+6d | | 8/48=4/x | | 7x+12=7+3x+9+2x+15=180 | | r-3.01=3.01 | | x/21=14/42 | | 8b-12=4.8 | | 2x+4(x-2)=3(2x-3) | | 1/2x-3=2x-6 | | 7x-15=3x+10+2x+9 | | x-12=23,x | | -4(3x+2)=40-6x | | 2x-(3x=8)=-5x-(-4x=10) | | x+x2^2​2​​+6x+4x2^2​2​​= | | -7x+11=x-5 | | 3x-14=-35 | | 3=2-5x | | 27+d=59 | | -1/2(4y-8)=3y+y-2 | | 2(1-2x=x-3 | | 8c−5c=9 | | 4^3b+1=4^2b+2 | | 1/2(4x-10=-7 | | 4^3b+1=4^2b+@ | | -160=2e/3-240 | | s+(29)=46 | | 20w+4=2w-6 | | 4/5x+3/4=-2 | | -7x+3(x+2)=-24 | | −10x−10=−10x+ | | 11t-7=0 | | 65+x+58=180 |

Equations solver categories