32=(2+x)(x)

Simple and best practice solution for 32=(2+x)(x) 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 32=(2+x)(x) equation:


Simplifying
32 = (2 + x)(x)

Reorder the terms for easier multiplication:
32 = x(2 + x)
32 = (2 * x + x * x)
32 = (2x + x2)

Solving
32 = 2x + x2

Solving for variable 'x'.

Reorder the terms:
32 + -2x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
32 + -2x + -1x2 = 0 + x2 + -1x2
32 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
32 + -2x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-32 + 2x + x2 = 0

Move the constant term to the right:

Add '32' to each side of the equation.
-32 + 2x + 32 + x2 = 0 + 32

Reorder the terms:
-32 + 32 + 2x + x2 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 2x + x2 = 0 + 32
2x + x2 = 0 + 32

Combine like terms: 0 + 32 = 32
2x + x2 = 32

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 32 + 1

Reorder the terms:
1 + 2x + x2 = 32 + 1

Combine like terms: 32 + 1 = 33
1 + 2x + x2 = 33

Factor a perfect square on the left side:
(x + 1)(x + 1) = 33

Calculate the square root of the right side: 5.744562647

Break this problem into two subproblems by setting 
(x + 1) equal to 5.744562647 and -5.744562647.

Subproblem 1

x + 1 = 5.744562647 Simplifying x + 1 = 5.744562647 Reorder the terms: 1 + x = 5.744562647 Solving 1 + x = 5.744562647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 5.744562647 + -1 Combine like terms: 1 + -1 = 0 0 + x = 5.744562647 + -1 x = 5.744562647 + -1 Combine like terms: 5.744562647 + -1 = 4.744562647 x = 4.744562647 Simplifying x = 4.744562647

Subproblem 2

x + 1 = -5.744562647 Simplifying x + 1 = -5.744562647 Reorder the terms: 1 + x = -5.744562647 Solving 1 + x = -5.744562647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -5.744562647 + -1 Combine like terms: 1 + -1 = 0 0 + x = -5.744562647 + -1 x = -5.744562647 + -1 Combine like terms: -5.744562647 + -1 = -6.744562647 x = -6.744562647 Simplifying x = -6.744562647

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.744562647, -6.744562647}

See similar equations:

| 32=2x+x | | 18-6a=4a-(4a+3) | | 120x-42=14x+35 | | A=0.5(4+6)8 | | I=300(0.14)2 | | 135=7.5b | | -2(x-5)-3(x+4)=8 | | 13=4+b+4 | | 5q-3=9 | | 0.5(22)(38)= | | lg^2x-10x+9=0 | | 5q-1=3 | | 4x+2=48 | | 2(53)+2(136)= | | 7x+2=5x-3 | | 6(x-1)=x+3(x-2) | | n/4+7=-13 | | 3+x=3x+13 | | (n/4)+7=-13 | | 12x^3-10x^2-16x=0 | | 14x^2+28x=9 | | 3(6s+5)-12s=3(2s+1)-5 | | 9(x+4)=3(3x+4)+24 | | 0.3(x+90)+0.7x=52 | | 4x-9=-x-9 | | 8x-3=6x+4 | | 8=19-x-2x^2 | | 5*2+4*(8-2)= | | x^3+x^2-8x+12=0 | | 0.20x+.05(16-x)=.10(17) | | 12-x=12 | | 33-.8x=49 |

Equations solver categories