2x^2-9=6x-9

Simple and best practice solution for 2x^2-9=6x-9 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 2x^2-9=6x-9 equation:


Simplifying
2x2 + -9 = 6x + -9

Reorder the terms:
-9 + 2x2 = 6x + -9

Reorder the terms:
-9 + 2x2 = -9 + 6x

Add '9' to each side of the equation.
-9 + 9 + 2x2 = -9 + 9 + 6x

Combine like terms: -9 + 9 = 0
0 + 2x2 = -9 + 9 + 6x
2x2 = -9 + 9 + 6x

Combine like terms: -9 + 9 = 0
2x2 = 0 + 6x
2x2 = 6x

Solving
2x2 = 6x

Solving for variable 'x'.

Reorder the terms:
-6x + 2x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
-6x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-3 + x) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Simplifying x = 3

Solution

x = {0, 3}

See similar equations:

| (0.5-n/6)/(√5n/6)1.28 | | -5(r-1)=5-5r | | x^2-2x-8=25 | | -13+5a=3(a-3) | | 16-3p=.666666p+5 | | 3x-x=-19+5 | | 8d-3a=40 | | f(x)=1000(1.07)x | | n+3(n+4)=20 | | 7x+36+6x+73+9x-13=360 | | 5(2x+3)-4x=3(2x+5) | | 3w-16=15 | | 3m-7=10m+14 | | y/19-3=2 | | 3x-95+2x-74+2x-65+2x=360 | | 3x+8=5x-7+2x | | x+51+x+71+96=360 | | 2.15=4.3c | | x+53+x+51+74=360 | | F(x)=20(0.75)x | | 16t^2-56t+35=0 | | -x-4y+10=0 | | x+30+x+12+74+62=360 | | -15+8x=x+6 | | 2x(1+3x)+1-3x=0factor | | 7x-8=6x+4 | | Tan(40)=10x | | m/4-5=3 | | 11x+22y-44=0 | | 4x+48+x+42+x+84+96=360 | | -15=3x/4-6 | | x^6=115 |

Equations solver categories