(x+4)(x+14)=900

Simple and best practice solution for (x+4)(x+14)=900 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+4)(x+14)=900 equation:


Simplifying
(x + 4)(x + 14) = 900

Reorder the terms:
(4 + x)(x + 14) = 900

Reorder the terms:
(4 + x)(14 + x) = 900

Multiply (4 + x) * (14 + x)
(4(14 + x) + x(14 + x)) = 900
((14 * 4 + x * 4) + x(14 + x)) = 900
((56 + 4x) + x(14 + x)) = 900
(56 + 4x + (14 * x + x * x)) = 900
(56 + 4x + (14x + x2)) = 900

Combine like terms: 4x + 14x = 18x
(56 + 18x + x2) = 900

Solving
56 + 18x + x2 = 900

Solving for variable 'x'.

Reorder the terms:
56 + -900 + 18x + x2 = 900 + -900

Combine like terms: 56 + -900 = -844
-844 + 18x + x2 = 900 + -900

Combine like terms: 900 + -900 = 0
-844 + 18x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '844' to each side of the equation.
-844 + 18x + 844 + x2 = 0 + 844

Reorder the terms:
-844 + 844 + 18x + x2 = 0 + 844

Combine like terms: -844 + 844 = 0
0 + 18x + x2 = 0 + 844
18x + x2 = 0 + 844

Combine like terms: 0 + 844 = 844
18x + x2 = 844

The x term is 18x.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18x + 81 + x2 = 844 + 81

Reorder the terms:
81 + 18x + x2 = 844 + 81

Combine like terms: 844 + 81 = 925
81 + 18x + x2 = 925

Factor a perfect square on the left side:
(x + 9)(x + 9) = 925

Calculate the square root of the right side: 30.413812651

Break this problem into two subproblems by setting 
(x + 9) equal to 30.413812651 and -30.413812651.

Subproblem 1

x + 9 = 30.413812651 Simplifying x + 9 = 30.413812651 Reorder the terms: 9 + x = 30.413812651 Solving 9 + x = 30.413812651 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 30.413812651 + -9 Combine like terms: 9 + -9 = 0 0 + x = 30.413812651 + -9 x = 30.413812651 + -9 Combine like terms: 30.413812651 + -9 = 21.413812651 x = 21.413812651 Simplifying x = 21.413812651

Subproblem 2

x + 9 = -30.413812651 Simplifying x + 9 = -30.413812651 Reorder the terms: 9 + x = -30.413812651 Solving 9 + x = -30.413812651 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -30.413812651 + -9 Combine like terms: 9 + -9 = 0 0 + x = -30.413812651 + -9 x = -30.413812651 + -9 Combine like terms: -30.413812651 + -9 = -39.413812651 x = -39.413812651 Simplifying x = -39.413812651

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.413812651, -39.413812651}

See similar equations:

| X^2+2xy+y^2+8=0 | | x+3(x-2)=10.4 | | 1+3+2+5=11 | | x^2+6x=-1 | | -5x+40=6x-3x | | (x+14)(x+4)=900 | | 8-u=u+24 | | x-11-2x=13-5x | | 4x+10y= | | 2x+3-5x+4=18 | | -1(5x+8)+12=34 | | 10x+6y=9 | | -1(6x+7)+8=19 | | 8z=9z | | 6x+2=-94-2x | | 6x+2=-94-wx | | -9-b+8b=-12 | | 3-2-6=13 | | (3x-9)(2x+1)= | | Y+2-3y=8 | | 4x=7x-13 | | 2-3x=26-9x | | -5x+6=-30 | | 5n+30=55 | | 4.54+.15x=28.99 | | [24-42]= | | N=0.05t-98.55 | | 4l=11-2w | | 3m^2-5m-2=0 | | (3x+11)(2x-4)= | | 5(y-3)=2y-24 | | 4-5x=13+4x |

Equations solver categories