x^2-x-2=(2x-1)(x-3)

Simple and best practice solution for x^2-x-2=(2x-1)(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 x^2-x-2=(2x-1)(x-3) equation:


Simplifying
x2 + -1x + -2 = (2x + -1)(x + -3)

Reorder the terms:
-2 + -1x + x2 = (2x + -1)(x + -3)

Reorder the terms:
-2 + -1x + x2 = (-1 + 2x)(x + -3)

Reorder the terms:
-2 + -1x + x2 = (-1 + 2x)(-3 + x)

Multiply (-1 + 2x) * (-3 + x)
-2 + -1x + x2 = (-1(-3 + x) + 2x * (-3 + x))
-2 + -1x + x2 = ((-3 * -1 + x * -1) + 2x * (-3 + x))
-2 + -1x + x2 = ((3 + -1x) + 2x * (-3 + x))
-2 + -1x + x2 = (3 + -1x + (-3 * 2x + x * 2x))
-2 + -1x + x2 = (3 + -1x + (-6x + 2x2))

Combine like terms: -1x + -6x = -7x
-2 + -1x + x2 = (3 + -7x + 2x2)

Solving
-2 + -1x + x2 = 3 + -7x + 2x2

Solving for variable 'x'.

Reorder the terms:
-2 + -3 + -1x + 7x + x2 + -2x2 = 3 + -7x + 2x2 + -3 + 7x + -2x2

Combine like terms: -2 + -3 = -5
-5 + -1x + 7x + x2 + -2x2 = 3 + -7x + 2x2 + -3 + 7x + -2x2

Combine like terms: -1x + 7x = 6x
-5 + 6x + x2 + -2x2 = 3 + -7x + 2x2 + -3 + 7x + -2x2

Combine like terms: x2 + -2x2 = -1x2
-5 + 6x + -1x2 = 3 + -7x + 2x2 + -3 + 7x + -2x2

Reorder the terms:
-5 + 6x + -1x2 = 3 + -3 + -7x + 7x + 2x2 + -2x2

Combine like terms: 3 + -3 = 0
-5 + 6x + -1x2 = 0 + -7x + 7x + 2x2 + -2x2
-5 + 6x + -1x2 = -7x + 7x + 2x2 + -2x2

Combine like terms: -7x + 7x = 0
-5 + 6x + -1x2 = 0 + 2x2 + -2x2
-5 + 6x + -1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-5 + 6x + -1x2 = 0

Factor a trinomial.
(-5 + x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-5 + x)' equal to zero and attempt to solve: Simplifying -5 + x = 0 Solving -5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + x = 0 + 5 x = 0 + 5 Combine like terms: 0 + 5 = 5 x = 5 Simplifying x = 5

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 = {5, 1}

See similar equations:

| 2(-5+j)(-5-j)= | | f(x)=3xln(9x)-3x | | 3n-6n=4 | | -10(3x-9)=12(1-3x) | | 3(2x+5)=5x+29 | | x2/2=800 | | 2(2-j)(3+2j)= | | f(x)=log[2](6-5x) | | (-2-j)(-3+j)= | | (4+3j)(5-2j)= | | 3a+(b-4)i=5 | | 3x(x)=1083 | | 6sec^2x+5tanx=6 | | 2-(x-3)/4 | | 6sec^2x+5tanx=y | | (40x)+5(1.5x)=500 | | (40x)+5(1.5x)=450 | | p+4p=3(-8+2p)-(12-11p) | | 1x+35y-4z=70 | | 16a^8b^3+32a^4b= | | 4/3Π2^3 | | 27q-100=2q | | 9a^2-18a= | | 14+n=32 | | 14+n= | | 17+8-12=10m+19-9 | | y=-3x^2+14x-16 | | 17+8-2=10m+19-9 | | 10x^2+12x-208=0 | | 10x^2+10x-208=0 | | r+15=2r | | rs-6t=12 |

Equations solver categories