x^2+6x-480=0

Simple and best practice solution for x^2+6x-480=0 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^2+6x-480=0 equation:


Simplifying
x2 + 6x + -480 = 0

Reorder the terms:
-480 + 6x + x2 = 0

Solving
-480 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '480' to each side of the equation.
-480 + 6x + 480 + x2 = 0 + 480

Reorder the terms:
-480 + 480 + 6x + x2 = 0 + 480

Combine like terms: -480 + 480 = 0
0 + 6x + x2 = 0 + 480
6x + x2 = 0 + 480

Combine like terms: 0 + 480 = 480
6x + x2 = 480

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 480 + 9

Reorder the terms:
9 + 6x + x2 = 480 + 9

Combine like terms: 480 + 9 = 489
9 + 6x + x2 = 489

Factor a perfect square on the left side:
(x + 3)(x + 3) = 489

Calculate the square root of the right side: 22.113344387

Break this problem into two subproblems by setting 
(x + 3) equal to 22.113344387 and -22.113344387.

Subproblem 1

x + 3 = 22.113344387 Simplifying x + 3 = 22.113344387 Reorder the terms: 3 + x = 22.113344387 Solving 3 + x = 22.113344387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 22.113344387 + -3 Combine like terms: 3 + -3 = 0 0 + x = 22.113344387 + -3 x = 22.113344387 + -3 Combine like terms: 22.113344387 + -3 = 19.113344387 x = 19.113344387 Simplifying x = 19.113344387

Subproblem 2

x + 3 = -22.113344387 Simplifying x + 3 = -22.113344387 Reorder the terms: 3 + x = -22.113344387 Solving 3 + x = -22.113344387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -22.113344387 + -3 Combine like terms: 3 + -3 = 0 0 + x = -22.113344387 + -3 x = -22.113344387 + -3 Combine like terms: -22.113344387 + -3 = -25.113344387 x = -25.113344387 Simplifying x = -25.113344387

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.113344387, -25.113344387}

See similar equations:

| y=4-3(-8) | | b^2-4ac=7 | | q/4+9=12 | | 73=7-6h | | 12=4x-16 | | 3n+13n+4=0 | | 221-4x=41x+21 | | 4.2=k/360(25.12) | | 82=5b-3 | | 14-10x=59-45x | | 600=40*40+q | | 107-6x=2x+11 | | 4(2-7b)=4b+40 | | -9.75+3.25= | | 4x-6=9x+21 | | -3(t-1)+5t=7t-8 | | 2x^2-4x=286 | | 3x^2+3x=36 | | 4(5x-6)-7=20x-31 | | 2x^2-x=286 | | h=8+95(240)-16(240) | | -9-10=62 | | 50=6q+2 | | 8x-2=8(x+4) | | 5v-1=0 | | 1x^2-5x-4=0 | | 2x^2-17x+30=0 | | 4y+22=90 | | 1x^2-8x+8=0 | | 16(n+4)=4(16+4n) | | 4(x+6)=2x-4 | | -8m-[4(11-3m)+10]=10m |

Equations solver categories