(x+3)(x+3)=5

Simple and best practice solution for (x+3)(x+3)=5 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+3)(x+3)=5 equation:


Simplifying
(x + 3)(x + 3) = 5

Reorder the terms:
(3 + x)(x + 3) = 5

Reorder the terms:
(3 + x)(3 + x) = 5

Multiply (3 + x) * (3 + x)
(3(3 + x) + x(3 + x)) = 5
((3 * 3 + x * 3) + x(3 + x)) = 5
((9 + 3x) + x(3 + x)) = 5
(9 + 3x + (3 * x + x * x)) = 5
(9 + 3x + (3x + x2)) = 5

Combine like terms: 3x + 3x = 6x
(9 + 6x + x2) = 5

Solving
9 + 6x + x2 = 5

Solving for variable 'x'.

Reorder the terms:
9 + -5 + 6x + x2 = 5 + -5

Combine like terms: 9 + -5 = 4
4 + 6x + x2 = 5 + -5

Combine like terms: 5 + -5 = 0
4 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 6x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + 6x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 6x + x2 = 0 + -4
6x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
6x + x2 = -4

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -4 + 9

Reorder the terms:
9 + 6x + x2 = -4 + 9

Combine like terms: -4 + 9 = 5
9 + 6x + x2 = 5

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

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(x + 3) equal to 2.236067978 and -2.236067978.

Subproblem 1

x + 3 = 2.236067978 Simplifying x + 3 = 2.236067978 Reorder the terms: 3 + x = 2.236067978 Solving 3 + x = 2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 2.236067978 + -3 Combine like terms: 3 + -3 = 0 0 + x = 2.236067978 + -3 x = 2.236067978 + -3 Combine like terms: 2.236067978 + -3 = -0.763932022 x = -0.763932022 Simplifying x = -0.763932022

Subproblem 2

x + 3 = -2.236067978 Simplifying x + 3 = -2.236067978 Reorder the terms: 3 + x = -2.236067978 Solving 3 + x = -2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -2.236067978 + -3 Combine like terms: 3 + -3 = 0 0 + x = -2.236067978 + -3 x = -2.236067978 + -3 Combine like terms: -2.236067978 + -3 = -5.236067978 x = -5.236067978 Simplifying x = -5.236067978

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.763932022, -5.236067978}

See similar equations:

| -12(x+3)+x+15=4-13x | | 7log(2x-20)=14 | | 16m-4m+7m-6s= | | 7x-(2x+4)=2x+(x-3)+3 | | 0,4+5=0,6z+0,6 | | 11p+13-8p=-17 | | 12/11 | | .25x=0 | | 36=r/6 | | -33=-36-6x+6 | | 9x^2+3x-5= | | -3.2x=-52.36 | | -33=-3x-6x | | 75-37= | | -8+2(3x+5)=-5+(x-4)+8x | | X+85+40=180 | | 3.2x=-52.36 | | 4(9+5m)-7m= | | g/200=0.011 | | -6=a/-4 | | 12y-4=9y+7 | | 2x+6=9-x | | 12y-4=9y | | x/6-15=-8 | | 5x^2y+7xy^2-5yx^2+9-9y^2x= | | x^2+19x+4=0 | | 3(x+1)=17-4x | | 3(-5+9x)-2x+1=10x-15 | | 4/5n=16/15 | | lg(lg*x)=1 | | 2.9x-7.45=5.6 | | 1/4(3X-12)-5/8X |

Equations solver categories