4x^2-27x+25=0

Simple and best practice solution for 4x^2-27x+25=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+25=0 equation:


Simplifying
4x2 + -27x + 25 = 0

Reorder the terms:
25 + -27x + 4x2 = 0

Solving
25 + -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'.
6.25 + -6.75x + x2 = 0

Move the constant term to the right:

Add '-6.25' to each side of the equation.
6.25 + -6.75x + -6.25 + x2 = 0 + -6.25

Reorder the terms:
6.25 + -6.25 + -6.75x + x2 = 0 + -6.25

Combine like terms: 6.25 + -6.25 = 0.00
0.00 + -6.75x + x2 = 0 + -6.25
-6.75x + x2 = 0 + -6.25

Combine like terms: 0 + -6.25 = -6.25
-6.75x + x2 = -6.25

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 = -6.25 + 11.390625

Reorder the terms:
11.390625 + -6.75x + x2 = -6.25 + 11.390625

Combine like terms: -6.25 + 11.390625 = 5.140625
11.390625 + -6.75x + x2 = 5.140625

Factor a perfect square on the left side:
(x + -3.375)(x + -3.375) = 5.140625

Calculate the square root of the right side: 2.267294643

Break this problem into two subproblems by setting 
(x + -3.375) equal to 2.267294643 and -2.267294643.

Subproblem 1

x + -3.375 = 2.267294643 Simplifying x + -3.375 = 2.267294643 Reorder the terms: -3.375 + x = 2.267294643 Solving -3.375 + x = 2.267294643 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 = 2.267294643 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = 2.267294643 + 3.375 x = 2.267294643 + 3.375 Combine like terms: 2.267294643 + 3.375 = 5.642294643 x = 5.642294643 Simplifying x = 5.642294643

Subproblem 2

x + -3.375 = -2.267294643 Simplifying x + -3.375 = -2.267294643 Reorder the terms: -3.375 + x = -2.267294643 Solving -3.375 + x = -2.267294643 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 = -2.267294643 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = -2.267294643 + 3.375 x = -2.267294643 + 3.375 Combine like terms: -2.267294643 + 3.375 = 1.107705357 x = 1.107705357 Simplifying x = 1.107705357

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.642294643, 1.107705357}

See similar equations:

| 4.2x-11=10 | | 3t-4=20-2t | | 2x^4+8x^3=12x^2-36x | | 2x+1-8=2 | | k^2+11k+23+7=0 | | t-40=-12 | | 2(y-5)-(y+6)=-4 | | x+5=x+x-20 | | 2x=3x-50 | | -8x^2+6x+5=0 | | -8[c-15]=-96-4c | | d=(125)(60) | | -4m+5(3-5m)=102 | | X+X+180+2X-50=610 | | 3=4+(n+1)(-5) | | 3x-10=41 | | 10-4(4x-6)=-36 | | 3x-100=x | | X+x+180+2X=610 | | 2m^5-6m^4+8m^2= | | 5x+2-7x=-20 | | 2.1x+3=7.2 | | 6=2x+6x+6 | | 8+10=3 | | -3x+9=8 | | 48+14+377=x | | X+X+180+2X= | | 2(x)=71 | | 2(7r-4)-8=82 | | 2x+7=11x | | -27r^4+36r^3-6r^2-26r+2= | | 3-8t=29 |

Equations solver categories