x(x)-2x+1=9

Simple and best practice solution for x(x)-2x+1=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(x)-2x+1=9 equation:


Simplifying
x(x) + -2x + 1 = 9

Multiply x * x
x2 + -2x + 1 = 9

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

Solving
1 + -2x + x2 = 9

Solving for variable 'x'.

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

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

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

Factor a trinomial.
(-2 + -1x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-2, 4}

See similar equations:

| 6x+15=-5x-16 | | 3x+14=-6x-18 | | 2x-8=11x+20 | | 4x^2-6x-88=0 | | 3x-88+10x=107 | | 2x+10=2x-18 | | p^4+ -9= -12 | | x^4+x^3+20=0 | | 12-3z=144 | | 121+(3x-1)=180 | | x-(-34)=7 | | 4x-1=26x-13 | | 0.4(x+70)+1.4x=109 | | x-(3-34)=7 | | z^2-10z+26=0 | | -11=9-4m | | 7v+47=-8(v-4) | | -146-x=-14x+88 | | -1=17-2n | | 2b+16-10=10 | | 7y+9=32 | | -x-27=-4x+21 | | -36=6(y-3)-8y | | x-4=4whatisx | | Animo=8n+3 | | 120=xyz | | 4*(2x+1)*(3x-9)=0 | | -2g+-3=11 | | 15u=45+6u | | 2(x-2)=6(x+2) | | -4x-123=48-13x | | 4z+z-5z+3z-6=2 |

Equations solver categories