(x+8)(x)=52

Simple and best practice solution for (x+8)(x)=52 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+8)(x)=52 equation:


Simplifying
(x + 8)(x) = 52

Reorder the terms:
(8 + x)(x) = 52

Reorder the terms for easier multiplication:
x(8 + x) = 52
(8 * x + x * x) = 52
(8x + x2) = 52

Solving
8x + x2 = 52

Solving for variable 'x'.

Reorder the terms:
-52 + 8x + x2 = 52 + -52

Combine like terms: 52 + -52 = 0
-52 + 8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '52' to each side of the equation.
-52 + 8x + 52 + x2 = 0 + 52

Reorder the terms:
-52 + 52 + 8x + x2 = 0 + 52

Combine like terms: -52 + 52 = 0
0 + 8x + x2 = 0 + 52
8x + x2 = 0 + 52

Combine like terms: 0 + 52 = 52
8x + x2 = 52

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 52 + 16

Reorder the terms:
16 + 8x + x2 = 52 + 16

Combine like terms: 52 + 16 = 68
16 + 8x + x2 = 68

Factor a perfect square on the left side:
(x + 4)(x + 4) = 68

Calculate the square root of the right side: 8.246211251

Break this problem into two subproblems by setting 
(x + 4) equal to 8.246211251 and -8.246211251.

Subproblem 1

x + 4 = 8.246211251 Simplifying x + 4 = 8.246211251 Reorder the terms: 4 + x = 8.246211251 Solving 4 + x = 8.246211251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 8.246211251 + -4 Combine like terms: 4 + -4 = 0 0 + x = 8.246211251 + -4 x = 8.246211251 + -4 Combine like terms: 8.246211251 + -4 = 4.246211251 x = 4.246211251 Simplifying x = 4.246211251

Subproblem 2

x + 4 = -8.246211251 Simplifying x + 4 = -8.246211251 Reorder the terms: 4 + x = -8.246211251 Solving 4 + x = -8.246211251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -8.246211251 + -4 Combine like terms: 4 + -4 = 0 0 + x = -8.246211251 + -4 x = -8.246211251 + -4 Combine like terms: -8.246211251 + -4 = -12.246211251 x = -12.246211251 Simplifying x = -12.246211251

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.246211251, -12.246211251}

See similar equations:

| 2c^2-5-9c= | | 21+22+23= | | 100-8= | | 10x+20=13x+10 | | 3(2-m)=2n | | 100-5*8= | | 1-4p=-7-3p | | 0=304-16t^2 | | 9r^2-3-26r= | | h=304-16t^2 | | 20=4(f+6)14 | | P(x)=-x^3+9x^2+100 | | -1+4x=35 | | 5x-15=-8 | | 50=2+3n | | 7(-4k-2)=-4k+34 | | -10-3x=26 | | 2x+8=4x-5x | | 7+6x=-65 | | 5x+15=-8 | | -3(8x+2)-6(8+6x)=6 | | 18x^3y-33x^2y^2-30xy^2= | | 16=5n-14 | | 5x+87=63 | | 2(-4+6x)-3=52-3x | | 2(4-5n)-5(-8n+5)=13 | | 2x+4y+6y+.5x+3x+3y+21=360 | | (x+4)(2x+3)=2a | | 2n-2=n+12 | | 9-2c=25 | | -30n=-27-36 | | x^6-4x^4-9x^2+36=o |

Equations solver categories