2x^2-4x+9=x^2+2x

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


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

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

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

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

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: x2 + -1x2 = 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:

| 8x-(3x-25)=12x-4(2x-9) | | -25+x=x+13 | | 5x^2-2x+4=0 | | 5(8x+4)-2-7(5x+13)+33=0 | | -4x=116 | | 9(x+2)-4(x+2)=2(2x-1)+2(x+2) | | 5x+20=95 | | (2x+2y)-(x+3y)=1 | | 2x^2-19=0 | | -(8X^3+2X^2-6)+(4X^3-2X+9)= | | 7x-5=6x+2 | | 4x^2-32x+63=0 | | 7(2x-2)=14 | | 1-11(b-6)=-b-23 | | 5d+6-3d=12 | | -2(r+6)=-8r-6 | | 5m+31=-51-9m | | 4+-u=14 | | w^2+3w-18=0 | | 7-x+3x-3-9x= | | 2(r+3)= | | 29y=4(7y-6) | | y-36=7y | | 56=t+7t | | 2y+9=44-3y | | 4(x+2)+18= | | 2x-5=3+4x | | 4x^2+7x-3=0 | | 8x+4y= | | 2x+3x=18+2 | | x^2-19x+16=0 | | -(3xy-8)+4(5xy+6)= |

Equations solver categories