(x^2-6x+8)-(-2x^2-4x+9)=

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


Simplifying
(x2 + -6x + 8) + -1(-2x2 + -4x + 9) = 0

Reorder the terms:
(8 + -6x + x2) + -1(-2x2 + -4x + 9) = 0

Remove parenthesis around (8 + -6x + x2)
8 + -6x + x2 + -1(-2x2 + -4x + 9) = 0

Reorder the terms:
8 + -6x + x2 + -1(9 + -4x + -2x2) = 0
8 + -6x + x2 + (9 * -1 + -4x * -1 + -2x2 * -1) = 0
8 + -6x + x2 + (-9 + 4x + 2x2) = 0

Reorder the terms:
8 + -9 + -6x + 4x + x2 + 2x2 = 0

Combine like terms: 8 + -9 = -1
-1 + -6x + 4x + x2 + 2x2 = 0

Combine like terms: -6x + 4x = -2x
-1 + -2x + x2 + 2x2 = 0

Combine like terms: x2 + 2x2 = 3x2
-1 + -2x + 3x2 = 0

Solving
-1 + -2x + 3x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-1 + -3x)' equal to zero and attempt to solve: Simplifying -1 + -3x = 0 Solving -1 + -3x = 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 + -3x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3x = 0 + 1 -3x = 0 + 1 Combine like terms: 0 + 1 = 1 -3x = 1 Divide each side by '-3'. x = -0.3333333333 Simplifying x = -0.3333333333

Subproblem 2

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

Solution

x = {-0.3333333333, 1}

See similar equations:

| 2g-5+3g=-25 | | 6(2X-88)=X | | 8p*p-4p= | | 4(6-5f)-3f=11f-146 | | 8p*p+4p=0 | | -20=2a+3a | | 9x^2=99x | | 2x*x+23x=0 | | 3v-9+6v=126 | | f(x)=3(x+h)4 | | 5m+7-3m=45+12 | | 3x+2x+4x+x=351 | | x+(x*.08)=430.50 | | 12x-30=9x | | 8p*p+4p= | | 2x*x+20x=0 | | 6-9x+9+5x+5x-5=4+3*4 | | 8z-7=5z+3+5z | | 6x+5=2-2x | | 23=4n+3 | | -3-11x=112 | | 1/3x=-20 | | (7a/3b)(4b/14a^2) | | 3x^2-64x+252=0 | | 5x-(3-x)=7[8-(4+9x-8)] | | 3m+5=-16 | | 2x+2=10-x | | 3+8x=2x | | 3x+5+2x=12+4 | | 5/9•18 | | 2v-31=5(v-8) | | 5x-3=10-5x |

Equations solver categories