18x^2-63x+45=0

Simple and best practice solution for 18x^2-63x+45=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 18x^2-63x+45=0 equation:


Simplifying
18x2 + -63x + 45 = 0

Reorder the terms:
45 + -63x + 18x2 = 0

Solving
45 + -63x + 18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(5 + -7x + 2x2) = 0

Factor a trinomial.
9((1 + -1x)(5 + -2x)) = 0

Ignore the factor 9.

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {1, 2.5}

See similar equations:

| (18z+7)=(10z+45) | | 12a^2-4ab+8b=0 | | 16=4(y-7) | | 5t+6=3(2-t)+8t | | 1=25.75+.10x | | y=25.75+.10x | | 3y+4-5y+8y+5= | | 7x+3-2x+5= | | 8c+17c=12c+32-4c | | 3x-[5x(9x+3)-11]=0 | | 3.99/12.9 | | 5x*x=x-5x*x | | 6x/-25x | | s^2-13s+36=0 | | 5=2y+22+y | | -25-(1)/(5)n=(3)/(5)n | | 15x-9y-11=0 | | 98765432x+123456789-98765432=345679876346 | | 2x-x=7-4 | | 6-2x=8x | | 500*6.6= | | 36+e=85 | | x^2+9y=0 | | 8-3(x-4)=5 | | 0.6(x+30)+0.4x=35 | | 3*2+y=9 | | 3*3+y=9 | | solve(y-z)p-(z-x)q=x-y | | 2+2(x+1)=20 | | 3p-12=8+7p | | 5d-13=47 | | 2cosx^2+5cosx+2=0 |

Equations solver categories