4x+x^2=160

Simple and best practice solution for 4x+x^2=160 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 4x+x^2=160 equation:


Simplifying
4x + x2 = 160

Solving
4x + x2 = 160

Solving for variable 'x'.

Reorder the terms:
-160 + 4x + x2 = 160 + -160

Combine like terms: 160 + -160 = 0
-160 + 4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '160' to each side of the equation.
-160 + 4x + 160 + x2 = 0 + 160

Reorder the terms:
-160 + 160 + 4x + x2 = 0 + 160

Combine like terms: -160 + 160 = 0
0 + 4x + x2 = 0 + 160
4x + x2 = 0 + 160

Combine like terms: 0 + 160 = 160
4x + x2 = 160

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 160 + 4

Reorder the terms:
4 + 4x + x2 = 160 + 4

Combine like terms: 160 + 4 = 164
4 + 4x + x2 = 164

Factor a perfect square on the left side:
(x + 2)(x + 2) = 164

Calculate the square root of the right side: 12.806248475

Break this problem into two subproblems by setting 
(x + 2) equal to 12.806248475 and -12.806248475.

Subproblem 1

x + 2 = 12.806248475 Simplifying x + 2 = 12.806248475 Reorder the terms: 2 + x = 12.806248475 Solving 2 + x = 12.806248475 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 12.806248475 + -2 Combine like terms: 2 + -2 = 0 0 + x = 12.806248475 + -2 x = 12.806248475 + -2 Combine like terms: 12.806248475 + -2 = 10.806248475 x = 10.806248475 Simplifying x = 10.806248475

Subproblem 2

x + 2 = -12.806248475 Simplifying x + 2 = -12.806248475 Reorder the terms: 2 + x = -12.806248475 Solving 2 + x = -12.806248475 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -12.806248475 + -2 Combine like terms: 2 + -2 = 0 0 + x = -12.806248475 + -2 x = -12.806248475 + -2 Combine like terms: -12.806248475 + -2 = -14.806248475 x = -14.806248475 Simplifying x = -14.806248475

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.806248475, -14.806248475}

See similar equations:

| (17u-24)18=5/9 | | r^2+28t+75= | | 5.2/3 | | 25-10x=60-2x | | 7(g-5)=3 | | -400=-20x | | 27-3c=-8(2c-9) | | 3.4x-18=2.9x+8 | | 0=(-2/3x)-4 | | 15+2k=-4(3k+5) | | 4-2x-3x=-16 | | 9/12-1/3 | | 5(8+7x)=-205 | | 7a-4=87 | | -2r+6-3=-29 | | -2=(-2/3x)-4 | | 4-29-3x=-16 | | 4-7(-1/4) | | 9x^2+576=0 | | -6=(-2/3x)-4 | | (4x)(4y)=55 | | -5(4)-3(-2)=x | | x^2+6x=-10 | | 4x+4y=55 | | 4(r-5s-8t)= | | 9=9-9-2n | | -8=(-2/3x)-4 | | 7(3+x)=28 | | -8=-2/3x-4 | | 8x+8.16=4x+13 | | 4-v=-11 | | (3x+1)(2x+5)=(2-6x)(4-x) |

Equations solver categories