3x^2-6x=2x^2-9

Simple and best practice solution for 3x^2-6x=2x^2-9 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 3x^2-6x=2x^2-9 equation:


Simplifying
3x2 + -6x = 2x2 + -9

Reorder the terms:
-6x + 3x2 = 2x2 + -9

Reorder the terms:
-6x + 3x2 = -9 + 2x2

Solving
-6x + 3x2 = -9 + 2x2

Solving for variable 'x'.

Reorder the terms:
9 + -6x + 3x2 + -2x2 = -9 + 2x2 + 9 + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
9 + -6x + 1x2 = -9 + 2x2 + 9 + -2x2

Reorder the terms:
9 + -6x + 1x2 = -9 + 9 + 2x2 + -2x2

Combine like terms: -9 + 9 = 0
9 + -6x + 1x2 = 0 + 2x2 + -2x2
9 + -6x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
9 + -6x + 1x2 = 0

Factor a trinomial.
(3 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {3, 3}

See similar equations:

| 3n+12=n+18 | | 11x+y=60 | | .4+8x=.2 | | n^2=12n-32 | | 14y-10y=20 | | 180-2x=y | | 11=-6r-5r | | -5/7h=20 | | 6(4z-1)-3(2+4)=10(z+1) | | x^2-7x=-x+7 | | 15-(-7)= | | 3x=-4x^2+1 | | x^2+27x-160=0 | | .05x+.055(4000-x)=200 | | -2p^2+4000p-500000=0 | | h(3a)=x(5)+3x(2)+1 | | 2(8m-4)=-32+8m | | 6+0.14x=8 | | -6-6v=4(3-6v) | | 4x+31=x+10 | | 78=16x^2+32x | | 6n+15=-18 | | 5x-2x+3=10-4 | | -2p^2+4000p=0 | | 11-4x+24=3 | | 8-13= | | 5(-3)=13-3m | | -3(7+3b)=-33-5b | | 48t-16t^2-20=0 | | .4x+4.2=1.3-1.3x | | -8=4m-2m | | -1+x=-15 |

Equations solver categories