11x^2-24x-261=0

Simple and best practice solution for 11x^2-24x-261=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 11x^2-24x-261=0 equation:


Simplifying
11x2 + -24x + -261 = 0

Reorder the terms:
-261 + -24x + 11x2 = 0

Solving
-261 + -24x + 11x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
11 the coefficient of the squared term: 

Divide each side by '11'.
-23.72727273 + -2.181818182x + x2 = 0

Move the constant term to the right:

Add '23.72727273' to each side of the equation.
-23.72727273 + -2.181818182x + 23.72727273 + x2 = 0 + 23.72727273

Reorder the terms:
-23.72727273 + 23.72727273 + -2.181818182x + x2 = 0 + 23.72727273

Combine like terms: -23.72727273 + 23.72727273 = 0.00000000
0.00000000 + -2.181818182x + x2 = 0 + 23.72727273
-2.181818182x + x2 = 0 + 23.72727273

Combine like terms: 0 + 23.72727273 = 23.72727273
-2.181818182x + x2 = 23.72727273

The x term is -2.181818182x.  Take half its coefficient (-1.090909091).
Square it (1.190082645) and add it to both sides.

Add '1.190082645' to each side of the equation.
-2.181818182x + 1.190082645 + x2 = 23.72727273 + 1.190082645

Reorder the terms:
1.190082645 + -2.181818182x + x2 = 23.72727273 + 1.190082645

Combine like terms: 23.72727273 + 1.190082645 = 24.917355375
1.190082645 + -2.181818182x + x2 = 24.917355375

Factor a perfect square on the left side:
(x + -1.090909091)(x + -1.090909091) = 24.917355375

Calculate the square root of the right side: 4.991728696

Break this problem into two subproblems by setting 
(x + -1.090909091) equal to 4.991728696 and -4.991728696.

Subproblem 1

x + -1.090909091 = 4.991728696 Simplifying x + -1.090909091 = 4.991728696 Reorder the terms: -1.090909091 + x = 4.991728696 Solving -1.090909091 + x = 4.991728696 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.090909091' to each side of the equation. -1.090909091 + 1.090909091 + x = 4.991728696 + 1.090909091 Combine like terms: -1.090909091 + 1.090909091 = 0.000000000 0.000000000 + x = 4.991728696 + 1.090909091 x = 4.991728696 + 1.090909091 Combine like terms: 4.991728696 + 1.090909091 = 6.082637787 x = 6.082637787 Simplifying x = 6.082637787

Subproblem 2

x + -1.090909091 = -4.991728696 Simplifying x + -1.090909091 = -4.991728696 Reorder the terms: -1.090909091 + x = -4.991728696 Solving -1.090909091 + x = -4.991728696 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.090909091' to each side of the equation. -1.090909091 + 1.090909091 + x = -4.991728696 + 1.090909091 Combine like terms: -1.090909091 + 1.090909091 = 0.000000000 0.000000000 + x = -4.991728696 + 1.090909091 x = -4.991728696 + 1.090909091 Combine like terms: -4.991728696 + 1.090909091 = -3.900819605 x = -3.900819605 Simplifying x = -3.900819605

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.082637787, -3.900819605}

See similar equations:

| 1/5x-2=-2 | | y=1/5(-5)-2 | | 5-1=0 | | 40x+50y=249 | | -13-2y=-3 | | 2x+3x=400 | | x-2(4)=-3 | | (X-6)/(x+1)=0 | | 67+x=182.50 | | x(x-2)=124 | | (T/t-1)+(2/t+1)=(2/t^2-1) | | 3x+45=10x+24 | | (4x+37)=(3x+43) | | 25=X+7 | | 17=7+27t-16t^2 | | 2x^2-x=2-4x | | b=4a-17-26 | | 5y-7+y+57=5y+50-2y | | -6(5p+3)-44=2(2p+3) | | q=2p+8 | | -2(3x-3)+9x-4= | | -3x-5/4 | | 11(c-3)+8=7+c-32 | | 4y-6=2y+2 | | 12000(1+.082)(8)=a | | -30+4k=k-2k | | 865=36000r(10/12) | | 2x^2-10000000x-5=0 | | 2x^2-10000x-5=0 | | 2x^2-1000x-5=0 | | x^2-226x-30=0 | | 1/6(10x-9)=3 |

Equations solver categories