4x^2-27x+6=0

Simple and best practice solution for 4x^2-27x+6=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^2-27x+6=0 equation:


Simplifying
4x2 + -27x + 6 = 0

Reorder the terms:
6 + -27x + 4x2 = 0

Solving
6 + -27x + 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'.
1.5 + -6.75x + x2 = 0

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + -6.75x + -1.5 + x2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + -6.75x + x2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -6.75x + x2 = 0 + -1.5
-6.75x + x2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-6.75x + x2 = -1.5

The x term is -6.75x.  Take half its coefficient (-3.375).
Square it (11.390625) and add it to both sides.

Add '11.390625' to each side of the equation.
-6.75x + 11.390625 + x2 = -1.5 + 11.390625

Reorder the terms:
11.390625 + -6.75x + x2 = -1.5 + 11.390625

Combine like terms: -1.5 + 11.390625 = 9.890625
11.390625 + -6.75x + x2 = 9.890625

Factor a perfect square on the left side:
(x + -3.375)(x + -3.375) = 9.890625

Calculate the square root of the right side: 3.144936406

Break this problem into two subproblems by setting 
(x + -3.375) equal to 3.144936406 and -3.144936406.

Subproblem 1

x + -3.375 = 3.144936406 Simplifying x + -3.375 = 3.144936406 Reorder the terms: -3.375 + x = 3.144936406 Solving -3.375 + x = 3.144936406 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + x = 3.144936406 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = 3.144936406 + 3.375 x = 3.144936406 + 3.375 Combine like terms: 3.144936406 + 3.375 = 6.519936406 x = 6.519936406 Simplifying x = 6.519936406

Subproblem 2

x + -3.375 = -3.144936406 Simplifying x + -3.375 = -3.144936406 Reorder the terms: -3.375 + x = -3.144936406 Solving -3.375 + x = -3.144936406 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + x = -3.144936406 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = -3.144936406 + 3.375 x = -3.144936406 + 3.375 Combine like terms: -3.144936406 + 3.375 = 0.230063594 x = 0.230063594 Simplifying x = 0.230063594

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.519936406, 0.230063594}

See similar equations:

| n+6=4n | | 16n=150-22 | | 1/2(4x-2)=108-16x | | 5x-80=1-5x | | 3(5--5n)=-135 | | 5-0.6(2k-1)=7 | | 25x^2-30x+10=0 | | 5r-2r=30 | | 16=150-22 | | x^2-2+19=0 | | -17=-6+9(f-5) | | 20n=-6 | | 6+3m=34 | | x^2=2x+4 | | 6x+24=-6(x-2) | | 2r+s+8r+18s= | | 3x-12x+11=0 | | 3(k-4)=-10+5k | | 180=180-21x+3+7+13x+52 | | 76=2(4)+2(3x+4) | | 180=180-10x+2+6x+34 | | -4(p-3)-4=14-p | | 5x-.2+4x-1.3+x+3.2=180 | | 10(2x+4)=-(/8-9x)+3x | | 81.84=6.4(5p-7) | | 5x^2+100-7=8 | | (6n)17=714 | | -5x+4y=16 | | 180=180-20x+2+94+5x-2 | | -3+2a=a-5 | | 174-4x=32x+18 | | -5+5n=1+3n |

Equations solver categories