2x^2-4x-8=x^2-6x-9

Simple and best practice solution for 2x^2-4x-8=x^2-6x-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^2-4x-8=x^2-6x-9 equation:


Simplifying
2x2 + -4x + -8 = x2 + -6x + -9

Reorder the terms:
-8 + -4x + 2x2 = x2 + -6x + -9

Reorder the terms:
-8 + -4x + 2x2 = -9 + -6x + x2

Solving
-8 + -4x + 2x2 = -9 + -6x + x2

Solving for variable 'x'.

Reorder the terms:
-8 + 9 + -4x + 6x + 2x2 + -1x2 = -9 + -6x + x2 + 9 + 6x + -1x2

Combine like terms: -8 + 9 = 1
1 + -4x + 6x + 2x2 + -1x2 = -9 + -6x + x2 + 9 + 6x + -1x2

Combine like terms: -4x + 6x = 2x
1 + 2x + 2x2 + -1x2 = -9 + -6x + x2 + 9 + 6x + -1x2

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

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

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

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

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

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

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-1, -1}

See similar equations:

| -32=-2x+4(2x+4) | | f(x)=(5/6) | | (9-u)(5u-7)=0 | | 3x+x-15=2(2x-5) | | 8x-4(3x-5)=12 | | 6y+4=64 | | -18+n=-9 | | 2p+2=72 | | (x+40000)*.02=590 | | 2n-3=m | | 4*13/8 | | 5x-8x+x= | | -3/2(y-8)-1/4y= | | 9z-11=61 | | 2s-21=-22+s | | 5(7+8x)+11= | | 15+x=3x-15 | | -5(a-1)=-35 | | 2x^4+22x^2-15x+7=0 | | 4=32/? | | 17=2-4K | | 9x-22=-8+2x | | 3x-8+4+5x-2x=x-3+2x-1-9 | | -8=w+5w-10w-20 | | 4x+6=2x+15 | | 20x+5y-20=21x+4 | | -2(6a-7)=31-5a | | 4a+b=22 | | 3x^3y^3/x^2y | | 3x/5=2x/3=1 | | f(x)=(x^2-4x+6)-4 | | -7f+3-4=30 |

Equations solver categories