x^2-15x+33=0

Simple and best practice solution for x^2-15x+33=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 x^2-15x+33=0 equation:


Simplifying
x2 + -15x + 33 = 0

Reorder the terms:
33 + -15x + x2 = 0

Solving
33 + -15x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-33' to each side of the equation.
33 + -15x + -33 + x2 = 0 + -33

Reorder the terms:
33 + -33 + -15x + x2 = 0 + -33

Combine like terms: 33 + -33 = 0
0 + -15x + x2 = 0 + -33
-15x + x2 = 0 + -33

Combine like terms: 0 + -33 = -33
-15x + x2 = -33

The x term is -15x.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15x + 56.25 + x2 = -33 + 56.25

Reorder the terms:
56.25 + -15x + x2 = -33 + 56.25

Combine like terms: -33 + 56.25 = 23.25
56.25 + -15x + x2 = 23.25

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = 23.25

Calculate the square root of the right side: 4.82182538

Break this problem into two subproblems by setting 
(x + -7.5) equal to 4.82182538 and -4.82182538.

Subproblem 1

x + -7.5 = 4.82182538 Simplifying x + -7.5 = 4.82182538 Reorder the terms: -7.5 + x = 4.82182538 Solving -7.5 + x = 4.82182538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = 4.82182538 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = 4.82182538 + 7.5 x = 4.82182538 + 7.5 Combine like terms: 4.82182538 + 7.5 = 12.32182538 x = 12.32182538 Simplifying x = 12.32182538

Subproblem 2

x + -7.5 = -4.82182538 Simplifying x + -7.5 = -4.82182538 Reorder the terms: -7.5 + x = -4.82182538 Solving -7.5 + x = -4.82182538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = -4.82182538 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = -4.82182538 + 7.5 x = -4.82182538 + 7.5 Combine like terms: -4.82182538 + 7.5 = 2.67817462 x = 2.67817462 Simplifying x = 2.67817462

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.32182538, 2.67817462}

See similar equations:

| 2x-3(7x-15)=197 | | 2[(9-5)^4/8] | | -7x+32=5(6x-1) | | 3a+4b+7a=10b | | 250-100+3=50 | | W^2+1.5-42=0 | | -3(x+3)=-5-3x | | 4x^3/2=128 | | 600x/300x=x | | X(3/2y-1/2)-y=-1 | | 5x+1x=7+x | | x=8/9f | | 6x-8=2*2x-1 | | 6+w=-1 | | 7a+a-a+3ab-1ab+2ab= | | (2x-(1/x^3))^15 | | 2x+10+3x=-5x+20 | | 4(3x+2)=15x+5-3x+3 | | 9x-21=-56+4x | | 6x-8=2x-1 | | 6x-3x-5=3 | | 3a-9a=-132 | | Z=-3x+2y | | 3a-9a=-123 | | 7x-15=-134 | | Z=2y-3x | | 6(5c-7)= | | 2y=3x-z | | 4(x+3)=24+x | | P=10t | | -4x-6x=-9-7x | | x/4-x/3=6 |

Equations solver categories