x^2+10x+25=3

Simple and best practice solution for x^2+10x+25=3 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=3 equation:


Simplifying
x2 + 10x + 25 = 3

Reorder the terms:
25 + 10x + x2 = 3

Solving
25 + 10x + x2 = 3

Solving for variable 'x'.

Reorder the terms:
25 + -3 + 10x + x2 = 3 + -3

Combine like terms: 25 + -3 = 22
22 + 10x + x2 = 3 + -3

Combine like terms: 3 + -3 = 0
22 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + 10x + -22 + x2 = 0 + -22

Reorder the terms:
22 + -22 + 10x + x2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 10x + x2 = 0 + -22
10x + x2 = 0 + -22

Combine like terms: 0 + -22 = -22
10x + x2 = -22

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 = -22 + 25

Reorder the terms:
25 + 10x + x2 = -22 + 25

Combine like terms: -22 + 25 = 3
25 + 10x + x2 = 3

Factor a perfect square on the left side:
(x + 5)(x + 5) = 3

Calculate the square root of the right side: 1.732050808

Break this problem into two subproblems by setting 
(x + 5) equal to 1.732050808 and -1.732050808.

Subproblem 1

x + 5 = 1.732050808 Simplifying x + 5 = 1.732050808 Reorder the terms: 5 + x = 1.732050808 Solving 5 + x = 1.732050808 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 = 1.732050808 + -5 Combine like terms: 5 + -5 = 0 0 + x = 1.732050808 + -5 x = 1.732050808 + -5 Combine like terms: 1.732050808 + -5 = -3.267949192 x = -3.267949192 Simplifying x = -3.267949192

Subproblem 2

x + 5 = -1.732050808 Simplifying x + 5 = -1.732050808 Reorder the terms: 5 + x = -1.732050808 Solving 5 + x = -1.732050808 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 = -1.732050808 + -5 Combine like terms: 5 + -5 = 0 0 + x = -1.732050808 + -5 x = -1.732050808 + -5 Combine like terms: -1.732050808 + -5 = -6.732050808 x = -6.732050808 Simplifying x = -6.732050808

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-3.267949192, -6.732050808}

See similar equations:

| 7h=7 | | 5x+7=-6x-59 | | 8(15.12-.8y)=171 | | 6j+-5j=-2 | | A=ew(e) | | -5.4+8.1r=13r+7.83 | | 3x+9=7+4x | | 7x+7=11x | | 2.2x-1.2=8x+1.2 | | 4w-2w-w=10 | | 8/6=x/4 | | 450+(2x^2)+15x=115x | | -5.4+8.1r=13+7.83 | | 0.8-4=4 | | 4/11z-1-8/11 | | 11w-9w-1=13 | | 40-2.5x=50-1.5x | | R(x)=(13-0.25x)(12+4x) | | 1.4x+2.8=1.6 | | -t+6=t+5 | | M+0.57=0.04 | | 15=7n+28 | | 122=7xb | | 5/12/15/24 | | 15x-6=3x-66 | | 7n+8n=225 | | -q-(-7q)=-18 | | 3(4)+y=15 | | 10/12×4/3 | | -18.9s+19.07-6.1s=-17.89+8.6s | | 5(D+8)-6=8 | | 2y-12=z+12 |

Equations solver categories