x^2+-15(x)+6=0

Simple and best practice solution for x^2+-15(x)+6=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+-15(x)+6=0 equation:


Simplifying
x2 + -15(x) + 6 = 0

Reorder the terms:
6 + -15x + x2 = 0

Solving
6 + -15x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -15x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + -15x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -15x + x2 = 0 + -6
-15x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
-15x + x2 = -6

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 = -6 + 56.25

Reorder the terms:
56.25 + -15x + x2 = -6 + 56.25

Combine like terms: -6 + 56.25 = 50.25
56.25 + -15x + x2 = 50.25

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = 50.25

Calculate the square root of the right side: 7.088723439

Break this problem into two subproblems by setting 
(x + -7.5) equal to 7.088723439 and -7.088723439.

Subproblem 1

x + -7.5 = 7.088723439 Simplifying x + -7.5 = 7.088723439 Reorder the terms: -7.5 + x = 7.088723439 Solving -7.5 + x = 7.088723439 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 = 7.088723439 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = 7.088723439 + 7.5 x = 7.088723439 + 7.5 Combine like terms: 7.088723439 + 7.5 = 14.588723439 x = 14.588723439 Simplifying x = 14.588723439

Subproblem 2

x + -7.5 = -7.088723439 Simplifying x + -7.5 = -7.088723439 Reorder the terms: -7.5 + x = -7.088723439 Solving -7.5 + x = -7.088723439 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 = -7.088723439 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = -7.088723439 + 7.5 x = -7.088723439 + 7.5 Combine like terms: -7.088723439 + 7.5 = 0.411276561 x = 0.411276561 Simplifying x = 0.411276561

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.588723439, 0.411276561}

See similar equations:

| x^2+-15(b)+6=0 | | -8=-3z+4z | | 4x-5y=180findthex | | x=(2x-4)-2 | | 0.3x+0.31x-0.06=6.04 | | 3d-27+14=2 | | -3=-4r+7r | | 4x+32-11=25 | | Tan70°=x/1.2 | | H/4-5=1 | | .05(10000)+.06x=.055(10000+x) | | 7-16-5/(-2) | | Y=60+0.6y | | 2.97(4b+3.7)=51.381 | | Y-0.6y=60 | | (1.5+14.4)0.3-3= | | 2y-8+4x=0 | | -47.4=0.3-3(1.5+4x) | | 4(x+5)-6(2x+3)=3(x+14)-2(5-x)+9 | | r-0.8+1.9r=9.35 | | sin(x)=.4226 | | 5(6a-3)=5 | | 1-1.5x+2.6x=0.67 | | 8(18-4a)=48 | | 5(5-3a)=85 | | 1-1.5x+2.6=0.67 | | (17/4xy)0 | | -.16/-.8 | | 2p+4p-4p=14 | | 6(2+5a)=54 | | -16x^2+250x+150=0 | | (-1/6)/(-4/5)= |

Equations solver categories