11x^2-2x-10=0

Simple and best practice solution for 11x^2-2x-10=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^2-2x-10=0 equation:


Simplifying
11x2 + -2x + -10 = 0

Reorder the terms:
-10 + -2x + 11x2 = 0

Solving
-10 + -2x + 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'.
-0.9090909091 + -0.1818181818x + x2 = 0

Move the constant term to the right:

Add '0.9090909091' to each side of the equation.
-0.9090909091 + -0.1818181818x + 0.9090909091 + x2 = 0 + 0.9090909091

Reorder the terms:
-0.9090909091 + 0.9090909091 + -0.1818181818x + x2 = 0 + 0.9090909091

Combine like terms: -0.9090909091 + 0.9090909091 = 0.0000000000
0.0000000000 + -0.1818181818x + x2 = 0 + 0.9090909091
-0.1818181818x + x2 = 0 + 0.9090909091

Combine like terms: 0 + 0.9090909091 = 0.9090909091
-0.1818181818x + x2 = 0.9090909091

The x term is -0.1818181818x.  Take half its coefficient (-0.0909090909).
Square it (0.008264462808) and add it to both sides.

Add '0.008264462808' to each side of the equation.
-0.1818181818x + 0.008264462808 + x2 = 0.9090909091 + 0.008264462808

Reorder the terms:
0.008264462808 + -0.1818181818x + x2 = 0.9090909091 + 0.008264462808

Combine like terms: 0.9090909091 + 0.008264462808 = 0.917355371908
0.008264462808 + -0.1818181818x + x2 = 0.917355371908

Factor a perfect square on the left side:
(x + -0.0909090909)(x + -0.0909090909) = 0.917355371908

Calculate the square root of the right side: 0.957786705

Break this problem into two subproblems by setting 
(x + -0.0909090909) equal to 0.957786705 and -0.957786705.

Subproblem 1

x + -0.0909090909 = 0.957786705 Simplifying x + -0.0909090909 = 0.957786705 Reorder the terms: -0.0909090909 + x = 0.957786705 Solving -0.0909090909 + x = 0.957786705 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0909090909' to each side of the equation. -0.0909090909 + 0.0909090909 + x = 0.957786705 + 0.0909090909 Combine like terms: -0.0909090909 + 0.0909090909 = 0.0000000000 0.0000000000 + x = 0.957786705 + 0.0909090909 x = 0.957786705 + 0.0909090909 Combine like terms: 0.957786705 + 0.0909090909 = 1.0486957959 x = 1.0486957959 Simplifying x = 1.0486957959

Subproblem 2

x + -0.0909090909 = -0.957786705 Simplifying x + -0.0909090909 = -0.957786705 Reorder the terms: -0.0909090909 + x = -0.957786705 Solving -0.0909090909 + x = -0.957786705 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0909090909' to each side of the equation. -0.0909090909 + 0.0909090909 + x = -0.957786705 + 0.0909090909 Combine like terms: -0.0909090909 + 0.0909090909 = 0.0000000000 0.0000000000 + x = -0.957786705 + 0.0909090909 x = -0.957786705 + 0.0909090909 Combine like terms: -0.957786705 + 0.0909090909 = -0.8668776141 x = -0.8668776141 Simplifying x = -0.8668776141

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.0486957959, -0.8668776141}

See similar equations:

| x^2+x=105 | | .66=.50 | | .666=.50 | | 25-k^6=0 | | 77-x+19=26 | | 0=x^3+3x^2-10x-1 | | 3(x-2)-2=-2(-7x+8)-5x | | 50*2(x/15)=250 | | 3x^2+7y^2+10z-5z^2=0 | | 4m+2m= | | 12x-2x^2=x^2+3x | | X^2+6=-11 | | cos(3x)/cos(x) | | 9x^7+24x^6+12x^5= | | (x)(y)=96 | | 20=.4+15 | | 2cos(3x)/cos(x) | | log^7(12x)=2+log^7(4) | | 11-(16-5x)=6(7+2x) | | X=22-y | | 0.2c=4 | | 15x+5000=40x | | -5x=8*6+79 | | 15x+500=35x | | 15x+500=35 | | a^2+2a^2=24 | | 0.6d+3.4=16 | | F(x)=3x—9/2 | | logx^40=-2 | | (6x-4)+(5x-8)= | | 2y+4=y-24 | | 0.25/50 |

Equations solver categories