3x^2-24x+144=149

Simple and best practice solution for 3x^2-24x+144=149 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 3x^2-24x+144=149 equation:


Simplifying
3x2 + -24x + 144 = 149

Reorder the terms:
144 + -24x + 3x2 = 149

Solving
144 + -24x + 3x2 = 149

Solving for variable 'x'.

Reorder the terms:
144 + -149 + -24x + 3x2 = 149 + -149

Combine like terms: 144 + -149 = -5
-5 + -24x + 3x2 = 149 + -149

Combine like terms: 149 + -149 = 0
-5 + -24x + 3x2 = 0

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

Divide each side by '3'.
-1.666666667 + -8x + x2 = 0

Move the constant term to the right:

Add '1.666666667' to each side of the equation.
-1.666666667 + -8x + 1.666666667 + x2 = 0 + 1.666666667

Reorder the terms:
-1.666666667 + 1.666666667 + -8x + x2 = 0 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
0.000000000 + -8x + x2 = 0 + 1.666666667
-8x + x2 = 0 + 1.666666667

Combine like terms: 0 + 1.666666667 = 1.666666667
-8x + x2 = 1.666666667

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = 1.666666667 + 16

Reorder the terms:
16 + -8x + x2 = 1.666666667 + 16

Combine like terms: 1.666666667 + 16 = 17.666666667
16 + -8x + x2 = 17.666666667

Factor a perfect square on the left side:
(x + -4)(x + -4) = 17.666666667

Calculate the square root of the right side: 4.203173404

Break this problem into two subproblems by setting 
(x + -4) equal to 4.203173404 and -4.203173404.

Subproblem 1

x + -4 = 4.203173404 Simplifying x + -4 = 4.203173404 Reorder the terms: -4 + x = 4.203173404 Solving -4 + x = 4.203173404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 4.203173404 + 4 Combine like terms: -4 + 4 = 0 0 + x = 4.203173404 + 4 x = 4.203173404 + 4 Combine like terms: 4.203173404 + 4 = 8.203173404 x = 8.203173404 Simplifying x = 8.203173404

Subproblem 2

x + -4 = -4.203173404 Simplifying x + -4 = -4.203173404 Reorder the terms: -4 + x = -4.203173404 Solving -4 + x = -4.203173404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -4.203173404 + 4 Combine like terms: -4 + 4 = 0 0 + x = -4.203173404 + 4 x = -4.203173404 + 4 Combine like terms: -4.203173404 + 4 = -0.203173404 x = -0.203173404 Simplifying x = -0.203173404

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.203173404, -0.203173404}

See similar equations:

| 4p-3=-23 | | 26/13 | | (x^2D^2-4xD-6I)y=0 | | x+2x+6=12 | | 3y+1=4y+4 | | 200x=2500 | | 5x^2-50x+75= | | 5x-10=-7x+14 | | 8x+6=-40 | | 4a^2-19a-30=0 | | 15x^2+67x+72=0 | | 100x^2+10x+1=0 | | 40x-x^2=50 | | x^4+2x^3-24x^2=0 | | x^5+2x^3-24x^2=0 | | 3/4a+5=7/3 | | 6h+7k-9(3h-6k)= | | 5x+5+7x-15=2 | | 13=2t | | g+15=3 | | -8x^6-24x^5+224x^4= | | 4.2x+59.5=28.5-11.3x | | (5x^2+3x-2)+(2x^2+5x+19)-(7x^2-10)= | | (8+1x)*m=5m | | 100x=80 | | 20x-1/2x^2=50 | | -1/4*8 | | 17x=6800 | | 3-1/4x=x-7 | | 12b^2-21=0 | | 8(z-12)=3(2z+4) | | r^2+6rg-16g^2= |

Equations solver categories