9x^2-90x+225=0

Simple and best practice solution for 9x^2-90x+225=0 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^2-90x+225=0 equation:


Simplifying
9x2 + -90x + 225 = 0

Reorder the terms:
225 + -90x + 9x2 = 0

Solving
225 + -90x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(25 + -10x + x2) = 0

Factor a trinomial.
9((5 + -1x)(5 + -1x)) = 0

Ignore the factor 9.

Subproblem 1

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {5, 5}

See similar equations:

| 2x-4=3x-5 | | 3n+4=13.9 | | ax^2+bx-c= | | x^2+20x+17=83 | | (3k+7)(k+7)=0 | | 3w+7=19 | | 8w-17=3(w-9) | | -2v+6=4 | | 2x+4=5(2x-3) | | 2x-6=-10 | | (2n-1)(n+6)=0 | | 2x*x+3x-7=0 | | 21=-6x+3x | | 8x+8=13x-4 | | -3y+6=0 | | 3v+11=9v-7 | | 23+n=100 | | 5x-12=0 | | (3z+8)(1-z)=0 | | (p-1)(5p+3)=0 | | [9y-5]=19 | | -9x-7=-34 | | 26000-.052b+.077b=34000 | | -10=4-2x | | 2x-5=-4x | | ln(5x^2+3)= | | 3x+2=6x | | 4(z-15)+7=19 | | 5=-(s-8) | | 18x^2-8= | | 4b+23v=45 | | -7+x=11 |

Equations solver categories