9x^2-18x+9=x^2

Simple and best practice solution for 9x^2-18x+9=x^2 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 9x^2-18x+9=x^2 equation:


Simplifying
9x2 + -18x + 9 = x2

Reorder the terms:
9 + -18x + 9x2 = x2

Solving
9 + -18x + 9x2 = x2

Solving for variable 'x'.

Combine like terms: 9x2 + -1x2 = 8x2
9 + -18x + 8x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
9 + -18x + 8x2 = 0

Factor a trinomial.
(3 + -4x)(3 + -2x) = 0

Subproblem 1

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Subproblem 2

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Solution

x = {0.75, 1.5}

See similar equations:

| -6[18-(10-77)]= | | 3(x-2)+5(x+4)=5(x+4) | | 3a^2+22a-80=0 | | X=4y-36 | | Ac=4y-36 | | 23-3z=-4 | | 18-5x=x+4 | | 18-5x=x-4 | | 6x+y=-2 | | 7n^2-19n+10=0 | | 25-5*2/6-3 | | 3x^2y^2+25xy+1= | | 7x+51= | | 81x^5+18x^4+x^3= | | 9ax-4=95 | | -28+2h=4(7h+3) | | 12x^6-50x^5+42x^4= | | 25-1/5m=18 | | 3x^5+6x^4+9x^3+3x^2-1=0 | | (1/3)x-(1/5)=(1/5)x+(1/3) | | 13+s=-5 | | 1/8x+20=32 | | (5y^2-7y+8)-(7y^2-7y+3)= | | y=3/2x+6 | | 5x^2+2x+3=0 | | 25+3y=10 | | 3m^2+9=0 | | x/6+3=5 | | 24x^4-111x^3+60x^2= | | 3/2x+2=14 | | 17t+8-1.62t=0.4t-0.32+8 | | 15000=(100+x)(50+x) |

Equations solver categories