x^2+11x+30.25=498.25

Simple and best practice solution for x^2+11x+30.25=498.25 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+11x+30.25=498.25 equation:


Simplifying
x2 + 11x + 30.25 = 498.25

Reorder the terms:
30.25 + 11x + x2 = 498.25

Solving
30.25 + 11x + x2 = 498.25

Solving for variable 'x'.

Reorder the terms:
30.25 + -498.25 + 11x + x2 = 498.25 + -498.25

Combine like terms: 30.25 + -498.25 = -468
-468 + 11x + x2 = 498.25 + -498.25

Combine like terms: 498.25 + -498.25 = 0.00
-468 + 11x + x2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '468' to each side of the equation.
-468 + 11x + 468 + x2 = 0.00 + 468

Reorder the terms:
-468 + 468 + 11x + x2 = 0.00 + 468

Combine like terms: -468 + 468 = 0
0 + 11x + x2 = 0.00 + 468
11x + x2 = 0.00 + 468

Combine like terms: 0.00 + 468 = 468
11x + x2 = 468

The x term is 11x.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11x + 30.25 + x2 = 468 + 30.25

Reorder the terms:
30.25 + 11x + x2 = 468 + 30.25

Combine like terms: 468 + 30.25 = 498.25
30.25 + 11x + x2 = 498.25

Factor a perfect square on the left side:
(x + 5.5)(x + 5.5) = 498.25

Calculate the square root of the right side: 22.321514286

Break this problem into two subproblems by setting 
(x + 5.5) equal to 22.321514286 and -22.321514286.

Subproblem 1

x + 5.5 = 22.321514286 Simplifying x + 5.5 = 22.321514286 Reorder the terms: 5.5 + x = 22.321514286 Solving 5.5 + x = 22.321514286 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 22.321514286 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 22.321514286 + -5.5 x = 22.321514286 + -5.5 Combine like terms: 22.321514286 + -5.5 = 16.821514286 x = 16.821514286 Simplifying x = 16.821514286

Subproblem 2

x + 5.5 = -22.321514286 Simplifying x + 5.5 = -22.321514286 Reorder the terms: 5.5 + x = -22.321514286 Solving 5.5 + x = -22.321514286 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -22.321514286 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -22.321514286 + -5.5 x = -22.321514286 + -5.5 Combine like terms: -22.321514286 + -5.5 = -27.821514286 x = -27.821514286 Simplifying x = -27.821514286

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.821514286, -27.821514286}

See similar equations:

| 3(y+-33)=2(y+-33) | | 16x^2-192x+432=0 | | 12-4s=3s-9 | | 16x^2-160x+384=0 | | -2x+4x-3=8x-5x-2 | | 8b-7=-3-6b | | k^2-8k-84=9 | | x-2lnx-2=0 | | 3-2y=-4-2x | | r^2-20r+76=-8 | | (6x-3)(8x+3)=0 | | x-lnx-2=0 | | 24x+12y=540 | | -3+5=-16 | | 8+t=15 | | x^2+10x-101=-5 | | 2*3.14*x*x=4.4 | | 8y^2+37y-5= | | x^2+y^2-85=0 | | 225-90x-8x^2=0 | | 7r+12=2r-13 | | 2cos^2(15)-1= | | 4y-12x+24=0 | | 4r^2-8=0 | | 8y^2-37y+5= | | 6ab^5/6^-1a^-4b^3 | | (a+8)(a-3)=0 | | -3x+4=x-6 | | 3.14*2*x*x=75 | | y+dx=m | | 24.435=.16+2.32-16(110.25) | | -3+5=-10 |

Equations solver categories