x(1+x)=1320

Simple and best practice solution for x(1+x)=1320 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(1+x)=1320 equation:


Simplifying
x(1 + x) = 1320
(1 * x + x * x) = 1320
(1x + x2) = 1320

Solving
1x + x2 = 1320

Solving for variable 'x'.

Reorder the terms:
-1320 + 1x + x2 = 1320 + -1320

Combine like terms: 1320 + -1320 = 0
-1320 + 1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '1320' to each side of the equation.
-1320 + 1x + 1320 + x2 = 0 + 1320

Reorder the terms:
-1320 + 1320 + 1x + x2 = 0 + 1320

Combine like terms: -1320 + 1320 = 0
0 + 1x + x2 = 0 + 1320
1x + x2 = 0 + 1320

Combine like terms: 0 + 1320 = 1320
1x + x2 = 1320

The x term is 1x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
x + 0.25 + x2 = 1320 + 0.25

Reorder the terms:
0.25 + x + x2 = 1320 + 0.25

Combine like terms: 1320 + 0.25 = 1320.25
0.25 + x + x2 = 1320.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 1320.25

Calculate the square root of the right side: 36.335244598

Break this problem into two subproblems by setting 
(x + 0.5) equal to 36.335244598 and -36.335244598.

Subproblem 1

x + 0.5 = 36.335244598 Simplifying x + 0.5 = 36.335244598 Reorder the terms: 0.5 + x = 36.335244598 Solving 0.5 + x = 36.335244598 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 36.335244598 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 36.335244598 + -0.5 x = 36.335244598 + -0.5 Combine like terms: 36.335244598 + -0.5 = 35.835244598 x = 35.835244598 Simplifying x = 35.835244598

Subproblem 2

x + 0.5 = -36.335244598 Simplifying x + 0.5 = -36.335244598 Reorder the terms: 0.5 + x = -36.335244598 Solving 0.5 + x = -36.335244598 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -36.335244598 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -36.335244598 + -0.5 x = -36.335244598 + -0.5 Combine like terms: -36.335244598 + -0.5 = -36.835244598 x = -36.835244598 Simplifying x = -36.835244598

Solution

The solution to the problem is based on the solutions from the subproblems. x = {35.835244598, -36.835244598}

See similar equations:

| 7*7/3 | | 1/6÷1/6= | | -3(n-6)=-4n | | 14s=17+13s | | 7x^3+56y^3=0 | | 5x-11x=67-19 | | 3x+4x=560 | | (4-0.5x)^3/2 | | 9x-16x=74-11 | | 231.2-0.3x^2=0.5x^2 | | 231.2-.03x^2=.5x^2 | | (3x-7)(4x+5)=180 | | -x+8=-20 | | 3x^2-16y+48=0 | | 46=m+21 | | X^2+144-24X=X | | 4y-64=-16 | | 324=(x+22)x+7 | | 4y+48=-16 | | 42=d*3 | | 4y-16x=-16 | | x+5=-23+10 | | 975=c+c(7) | | 324=(x+24)x+7 | | 14+(a+b)= | | 9z= | | 7f=17+6f | | -26=4(w-2)-2w | | -1(t+13)=-9 | | 6=4y+6(y+6) | | 8x+6x+72=772 | | 3(u-6)-6u=-3 |

Equations solver categories