4x^2-24x-11=0

Simple and best practice solution for 4x^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 4x^2-24x-11=0 equation:


Simplifying
4x2 + -24x + -11 = 0

Reorder the terms:
-11 + -24x + 4x2 = 0

Solving
-11 + -24x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-2.75 + -6x + x2 = 0

Move the constant term to the right:

Add '2.75' to each side of the equation.
-2.75 + -6x + 2.75 + x2 = 0 + 2.75

Reorder the terms:
-2.75 + 2.75 + -6x + x2 = 0 + 2.75

Combine like terms: -2.75 + 2.75 = 0.00
0.00 + -6x + x2 = 0 + 2.75
-6x + x2 = 0 + 2.75

Combine like terms: 0 + 2.75 = 2.75
-6x + x2 = 2.75

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 = 2.75 + 9

Reorder the terms:
9 + -6x + x2 = 2.75 + 9

Combine like terms: 2.75 + 9 = 11.75
9 + -6x + x2 = 11.75

Factor a perfect square on the left side:
(x + -3)(x + -3) = 11.75

Calculate the square root of the right side: 3.4278273

Break this problem into two subproblems by setting 
(x + -3) equal to 3.4278273 and -3.4278273.

Subproblem 1

x + -3 = 3.4278273 Simplifying x + -3 = 3.4278273 Reorder the terms: -3 + x = 3.4278273 Solving -3 + x = 3.4278273 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 = 3.4278273 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.4278273 + 3 x = 3.4278273 + 3 Combine like terms: 3.4278273 + 3 = 6.4278273 x = 6.4278273 Simplifying x = 6.4278273

Subproblem 2

x + -3 = -3.4278273 Simplifying x + -3 = -3.4278273 Reorder the terms: -3 + x = -3.4278273 Solving -3 + x = -3.4278273 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 = -3.4278273 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.4278273 + 3 x = -3.4278273 + 3 Combine like terms: -3.4278273 + 3 = -0.4278273 x = -0.4278273 Simplifying x = -0.4278273

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.4278273, -0.4278273}

See similar equations:

| 0.7x+x=204 | | 9/n=8n+23 | | Y+6(0)=11 | | 6j^2-4j-3=0 | | 7(x-3)=-13 | | m9-1=-2 | | 4t^2-7t+7=0 | | .5(p+3)=3(01+.16p) | | -18-6k=6(1+4k) | | 7y^2-6y-6=0 | | 0.79x+24=1.19 | | -42+2x=42-x | | -22+2d=-9(8d+3) | | 16+6a=-2(-7a+8) | | (2x-9)(x+5)=0 | | 6h^2+7h+2=0 | | .3x-5-16=0 | | 15p-14(p-4)+5=67 | | 6r^2+8r=0 | | -4(3t-4)+8t=4t-7 | | 9s-4s=20 | | 3/2b+(b+45)+(2b-90)+90 | | 10x-89=91+4x | | .06x+.03(7000-x)=243 | | -7x-3(x-18)=144 | | (4n+2)+(3x-5)+2(7x+5)(2x-6)= | | 5z^2+8z-5=0 | | 8x-2y-10= | | Y+6(-1)=11 | | (m-12/3)-(7m-19/5)=3 | | 9x^2+14x-16=0 | | g=9/2(p-80) |

Equations solver categories