x^2+10x+25=2

Simple and best practice solution for x^2+10x+25=2 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+10x+25=2 equation:


Simplifying
x2 + 10x + 25 = 2

Reorder the terms:
25 + 10x + x2 = 2

Solving
25 + 10x + x2 = 2

Solving for variable 'x'.

Reorder the terms:
25 + -2 + 10x + x2 = 2 + -2

Combine like terms: 25 + -2 = 23
23 + 10x + x2 = 2 + -2

Combine like terms: 2 + -2 = 0
23 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-23' to each side of the equation.
23 + 10x + -23 + x2 = 0 + -23

Reorder the terms:
23 + -23 + 10x + x2 = 0 + -23

Combine like terms: 23 + -23 = 0
0 + 10x + x2 = 0 + -23
10x + x2 = 0 + -23

Combine like terms: 0 + -23 = -23
10x + x2 = -23

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = -23 + 25

Reorder the terms:
25 + 10x + x2 = -23 + 25

Combine like terms: -23 + 25 = 2
25 + 10x + x2 = 2

Factor a perfect square on the left side:
(x + 5)(x + 5) = 2

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(x + 5) equal to 1.414213562 and -1.414213562.

Subproblem 1

x + 5 = 1.414213562 Simplifying x + 5 = 1.414213562 Reorder the terms: 5 + x = 1.414213562 Solving 5 + x = 1.414213562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 1.414213562 + -5 Combine like terms: 5 + -5 = 0 0 + x = 1.414213562 + -5 x = 1.414213562 + -5 Combine like terms: 1.414213562 + -5 = -3.585786438 x = -3.585786438 Simplifying x = -3.585786438

Subproblem 2

x + 5 = -1.414213562 Simplifying x + 5 = -1.414213562 Reorder the terms: 5 + x = -1.414213562 Solving 5 + x = -1.414213562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -1.414213562 + -5 Combine like terms: 5 + -5 = 0 0 + x = -1.414213562 + -5 x = -1.414213562 + -5 Combine like terms: -1.414213562 + -5 = -6.414213562 x = -6.414213562 Simplifying x = -6.414213562

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-3.585786438, -6.414213562}

See similar equations:

| 2j^2+2j+3j+3= | | 11x-10=5x+14 | | (-5)-(+6)= | | 10x+5=9x+8 | | -130-10x=7x+20 | | 17x^2-29x=0 | | x^2+3x+x+3= | | 2x+1=4x+1 | | (+4)-(-1)= | | +4-(-1)= | | 9x-3=8x+7 | | 3x^2+7x=-4 | | -28y+(-3y)= | | 4a^2b^2+16ab+a= | | (-9)-(-6)= | | (-5)+(-4)= | | 35x^2+15x= | | (-5)+(+9)= | | 6x+7=7x+4 | | x+x^2y+x^3y^2= | | (0)+(-7)= | | 6x+13=-147-10x# | | (-2)+(+9)= | | t^2h+3t= | | 3f+2=5f-8 | | (+9)+(+3)= | | Y-12=9 | | 24x^2-11x-3=3x | | 2(x-1)=5(x+1)-3 | | (+5)+(-7)= | | 8ax-56a= | | X-4(6-7x)=34 |

Equations solver categories