3x^2-48x+4=0

Simple and best practice solution for 3x^2-48x+4=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 3x^2-48x+4=0 equation:


Simplifying
3x2 + -48x + 4 = 0

Reorder the terms:
4 + -48x + 3x2 = 0

Solving
4 + -48x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
1.333333333 + -16x + x2 = 0

Move the constant term to the right:

Add '-1.333333333' to each side of the equation.
1.333333333 + -16x + -1.333333333 + x2 = 0 + -1.333333333

Reorder the terms:
1.333333333 + -1.333333333 + -16x + x2 = 0 + -1.333333333

Combine like terms: 1.333333333 + -1.333333333 = 0.000000000
0.000000000 + -16x + x2 = 0 + -1.333333333
-16x + x2 = 0 + -1.333333333

Combine like terms: 0 + -1.333333333 = -1.333333333
-16x + x2 = -1.333333333

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -1.333333333 + 64

Reorder the terms:
64 + -16x + x2 = -1.333333333 + 64

Combine like terms: -1.333333333 + 64 = 62.666666667
64 + -16x + x2 = 62.666666667

Factor a perfect square on the left side:
(x + -8)(x + -8) = 62.666666667

Calculate the square root of the right side: 7.916228058

Break this problem into two subproblems by setting 
(x + -8) equal to 7.916228058 and -7.916228058.

Subproblem 1

x + -8 = 7.916228058 Simplifying x + -8 = 7.916228058 Reorder the terms: -8 + x = 7.916228058 Solving -8 + x = 7.916228058 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 7.916228058 + 8 Combine like terms: -8 + 8 = 0 0 + x = 7.916228058 + 8 x = 7.916228058 + 8 Combine like terms: 7.916228058 + 8 = 15.916228058 x = 15.916228058 Simplifying x = 15.916228058

Subproblem 2

x + -8 = -7.916228058 Simplifying x + -8 = -7.916228058 Reorder the terms: -8 + x = -7.916228058 Solving -8 + x = -7.916228058 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -7.916228058 + 8 Combine like terms: -8 + 8 = 0 0 + x = -7.916228058 + 8 x = -7.916228058 + 8 Combine like terms: -7.916228058 + 8 = 0.083771942 x = 0.083771942 Simplifying x = 0.083771942

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.916228058, 0.083771942}

See similar equations:

| 0.14x=-8 | | 7-7+3x=22-7 | | -11y=154 | | 1.14r-8=0.14r | | 7y-12/5y12 | | (5b-3)-2(2b+3)=-5 | | 3x^2-7x+15=0 | | 12x+18=19x-3 | | 8z-42=2 | | 6x+9=309 | | -3(4p+5)-2(6-11p)=3(2+3p) | | -[5]x+3y=11 | | x+121-121=169-121 | | x+121-121=169-212 | | 9-2/3(3-x)11 | | 13-x=37 | | log(4x+4)=log(4x+10) | | -12=-84 | | 2sin2x/5 | | y+11.4=-7.1 | | 42-6g=12 | | 4(6x-1)2-5=223 | | 52=6x-10 | | (4x-8)(6x+2)=0 | | 6r-8r=18 | | 3.2=x^2 | | (2k-1)=9 | | 5/9x-1/3=3 | | m+34=14 | | -7(x-5)-8=27 | | 34=5in(x-2) | | (4x^3)-(12x^2)+8x=0 |

Equations solver categories