8400=(x+100)(x+59)

Simple and best practice solution for 8400=(x+100)(x+59) 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 8400=(x+100)(x+59) equation:


Simplifying
8400 = (x + 100)(x + 59)

Reorder the terms:
8400 = (100 + x)(x + 59)

Reorder the terms:
8400 = (100 + x)(59 + x)

Multiply (100 + x) * (59 + x)
8400 = (100(59 + x) + x(59 + x))
8400 = ((59 * 100 + x * 100) + x(59 + x))
8400 = ((5900 + 100x) + x(59 + x))
8400 = (5900 + 100x + (59 * x + x * x))
8400 = (5900 + 100x + (59x + x2))

Combine like terms: 100x + 59x = 159x
8400 = (5900 + 159x + x2)

Solving
8400 = 5900 + 159x + x2

Solving for variable 'x'.

Combine like terms: 8400 + -5900 = 2500
2500 + -159x + -1x2 = 5900 + 159x + x2 + -5900 + -159x + -1x2

Reorder the terms:
2500 + -159x + -1x2 = 5900 + -5900 + 159x + -159x + x2 + -1x2

Combine like terms: 5900 + -5900 = 0
2500 + -159x + -1x2 = 0 + 159x + -159x + x2 + -1x2
2500 + -159x + -1x2 = 159x + -159x + x2 + -1x2

Combine like terms: 159x + -159x = 0
2500 + -159x + -1x2 = 0 + x2 + -1x2
2500 + -159x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
2500 + -159x + -1x2 = 0

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

Divide each side by '-1'.
-2500 + 159x + x2 = 0

Move the constant term to the right:

Add '2500' to each side of the equation.
-2500 + 159x + 2500 + x2 = 0 + 2500

Reorder the terms:
-2500 + 2500 + 159x + x2 = 0 + 2500

Combine like terms: -2500 + 2500 = 0
0 + 159x + x2 = 0 + 2500
159x + x2 = 0 + 2500

Combine like terms: 0 + 2500 = 2500
159x + x2 = 2500

The x term is 159x.  Take half its coefficient (79.5).
Square it (6320.25) and add it to both sides.

Add '6320.25' to each side of the equation.
159x + 6320.25 + x2 = 2500 + 6320.25

Reorder the terms:
6320.25 + 159x + x2 = 2500 + 6320.25

Combine like terms: 2500 + 6320.25 = 8820.25
6320.25 + 159x + x2 = 8820.25

Factor a perfect square on the left side:
(x + 79.5)(x + 79.5) = 8820.25

Calculate the square root of the right side: 93.916186038

Break this problem into two subproblems by setting 
(x + 79.5) equal to 93.916186038 and -93.916186038.

Subproblem 1

x + 79.5 = 93.916186038 Simplifying x + 79.5 = 93.916186038 Reorder the terms: 79.5 + x = 93.916186038 Solving 79.5 + x = 93.916186038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-79.5' to each side of the equation. 79.5 + -79.5 + x = 93.916186038 + -79.5 Combine like terms: 79.5 + -79.5 = 0.0 0.0 + x = 93.916186038 + -79.5 x = 93.916186038 + -79.5 Combine like terms: 93.916186038 + -79.5 = 14.416186038 x = 14.416186038 Simplifying x = 14.416186038

Subproblem 2

x + 79.5 = -93.916186038 Simplifying x + 79.5 = -93.916186038 Reorder the terms: 79.5 + x = -93.916186038 Solving 79.5 + x = -93.916186038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-79.5' to each side of the equation. 79.5 + -79.5 + x = -93.916186038 + -79.5 Combine like terms: 79.5 + -79.5 = 0.0 0.0 + x = -93.916186038 + -79.5 x = -93.916186038 + -79.5 Combine like terms: -93.916186038 + -79.5 = -173.416186038 x = -173.416186038 Simplifying x = -173.416186038

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.416186038, -173.416186038}

See similar equations:

| 2(7+3x)-15(1-x)= | | m-4+8m=-13 | | x-3/4=4/5 | | 7+6x=29 | | (4-5i)-(-2+7i)= | | G=3/2(p-73) | | (1/4)(4/x)=(5/12) | | 41+2x+1+90=180 | | 1/3/7x-5/6/9 | | 3+x=2x-1 | | X^2-4y^2+7=0 | | -3(7x-51)-8(3+7x)=-26+78x | | 2x+19=26 | | Y=78+5x | | x^2=-72 | | 16-5/8x=11 | | -8+x=12 | | 5(2x-5)+50=3(x-5)+2x | | 4x-(2x+13)=3 | | 5-2(x-3)=1-x | | 40x+80=10(x^2+4x+4) | | 12f-7+12-6f=2f+2+2f+12 | | 3.7y+2=8.1y-24.2 | | a/(b/c) | | 5x(10x-10)=5(-4x+4) | | 3x+6(x+14)=192 | | -8x+4x=0 | | y=3.75x | | 0.444444/-16= | | X+(x+14)=66 | | 4(u-5)-9=-3(-4u+5)-4u | | 98=(5x)(2x) |

Equations solver categories