-x^2+24x+11=0

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


Simplifying
-1x2 + 24x + 11 = 0

Reorder the terms:
11 + 24x + -1x2 = 0

Solving
11 + 24x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-11 + -24x + x2 = 0

Move the constant term to the right:

Add '11' to each side of the equation.
-11 + -24x + 11 + x2 = 0 + 11

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

Combine like terms: -11 + 11 = 0
0 + -24x + x2 = 0 + 11
-24x + x2 = 0 + 11

Combine like terms: 0 + 11 = 11
-24x + x2 = 11

The x term is -24x.  Take half its coefficient (-12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
-24x + 144 + x2 = 11 + 144

Reorder the terms:
144 + -24x + x2 = 11 + 144

Combine like terms: 11 + 144 = 155
144 + -24x + x2 = 155

Factor a perfect square on the left side:
(x + -12)(x + -12) = 155

Calculate the square root of the right side: 12.449899598

Break this problem into two subproblems by setting 
(x + -12) equal to 12.449899598 and -12.449899598.

Subproblem 1

x + -12 = 12.449899598 Simplifying x + -12 = 12.449899598 Reorder the terms: -12 + x = 12.449899598 Solving -12 + x = 12.449899598 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = 12.449899598 + 12 Combine like terms: -12 + 12 = 0 0 + x = 12.449899598 + 12 x = 12.449899598 + 12 Combine like terms: 12.449899598 + 12 = 24.449899598 x = 24.449899598 Simplifying x = 24.449899598

Subproblem 2

x + -12 = -12.449899598 Simplifying x + -12 = -12.449899598 Reorder the terms: -12 + x = -12.449899598 Solving -12 + x = -12.449899598 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = -12.449899598 + 12 Combine like terms: -12 + 12 = 0 0 + x = -12.449899598 + 12 x = -12.449899598 + 12 Combine like terms: -12.449899598 + 12 = -0.449899598 x = -0.449899598 Simplifying x = -0.449899598

Solution

The solution to the problem is based on the solutions from the subproblems. x = {24.449899598, -0.449899598}

See similar equations:

| 5(3-x)-4x=18 | | 58(3-x)-4x=18 | | -7x^2+16x-14=0 | | 135x-127=94x+78 | | 3x^2+9+3=0 | | 3x-10=2-7x | | 4x^2-16x-20-(-8x+12)=0 | | 108-2x=25x+21 | | -17x-75=8x | | .25(8g-20)=2(g-1)-3 | | 32x=0.25 | | 3(2x+1)=2(x+3) | | 7y-3-5-6y= | | 9x-15=12x | | 4b-1=23 | | 2x+(-3x^2)=x | | x^2+7x=9 | | 30+4x=42 | | 8(x+5)=2(x+35) | | 3(2x-5)=8 | | -x-2x=11+4 | | 30-6x=18 | | ay-2=-10+y | | (p-3)x^2-2px+6p=0 | | -8+2=x-3 | | 172-5x=31x+20 | | 27x^3-54x^2+36x-8=0 | | 8+2x=o | | 3x-3=81-9x | | -3x^2+8x+7=0 | | 7x+3=4x+30 | | 5(2x+1)+7(4x+3)=0 |

Equations solver categories