(x^2)-x-10=0

Simple and best practice solution for (x^2)-x-10=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)-x-10=0 equation:


Simplifying
(x2) + -1x + -10 = 0
x2 + -1x + -10 = 0

Reorder the terms:
-10 + -1x + x2 = 0

Solving
-10 + -1x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -1x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + -1x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -1x + x2 = 0 + 10
-1x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
-1x + x2 = 10

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 10 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 10 + 0.25

Combine like terms: 10 + 0.25 = 10.25
0.25 + -1x + x2 = 10.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 10.25

Calculate the square root of the right side: 3.201562119

Break this problem into two subproblems by setting 
(x + -0.5) equal to 3.201562119 and -3.201562119.

Subproblem 1

x + -0.5 = 3.201562119 Simplifying x + -0.5 = 3.201562119 Reorder the terms: -0.5 + x = 3.201562119 Solving -0.5 + x = 3.201562119 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 3.201562119 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 3.201562119 + 0.5 x = 3.201562119 + 0.5 Combine like terms: 3.201562119 + 0.5 = 3.701562119 x = 3.701562119 Simplifying x = 3.701562119

Subproblem 2

x + -0.5 = -3.201562119 Simplifying x + -0.5 = -3.201562119 Reorder the terms: -0.5 + x = -3.201562119 Solving -0.5 + x = -3.201562119 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -3.201562119 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -3.201562119 + 0.5 x = -3.201562119 + 0.5 Combine like terms: -3.201562119 + 0.5 = -2.701562119 x = -2.701562119 Simplifying x = -2.701562119

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.701562119, -2.701562119}

See similar equations:

| 4x^2+4=148 | | 5x-12-23x=6(-3x-2) | | 46-46x=(7x+3)(x-1) | | p=12x-5x | | 6-4x=4(1-x) | | 35-(2x-14)=40-(x+2) | | (2x^2)-x-(3)=0 | | 5x^2=23x+10 | | 40-7n=2(-5n+6)-n | | 8w/6+8=w-2 | | 12(4x-6)=8x+5(8x-6) | | 6s=-3T | | 5s=8t+12 | | 4(2x-1)-(-3x-5)=-179 | | 10b+5=76+5 | | 49-84x+36x^2=0 | | 3z+8=12+3z-z | | 2=.10p | | v^2+16v-g^2+64=0 | | 4+x=-3+y | | 5x-2=5x-12 | | 5(x+8)-2x=60 | | 3x+10-6=7 | | 10=-3F+10N | | (x+3)-27=30 | | 26+13x=12(x+2) | | -2+2=0+2 | | 2x-6=-x+2 | | 6x+11=8x+15 | | 5=4F-5N | | 3(a-1)+2(6+2a)=8a-6-5+a | | 5k-9/4=k |

Equations solver categories