4x^2-128x+901=0

Simple and best practice solution for 4x^2-128x+901=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^2-128x+901=0 equation:


Simplifying
4x2 + -128x + 901 = 0

Reorder the terms:
901 + -128x + 4x2 = 0

Solving
901 + -128x + 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'.
225.25 + -32x + x2 = 0

Move the constant term to the right:

Add '-225.25' to each side of the equation.
225.25 + -32x + -225.25 + x2 = 0 + -225.25

Reorder the terms:
225.25 + -225.25 + -32x + x2 = 0 + -225.25

Combine like terms: 225.25 + -225.25 = 0.00
0.00 + -32x + x2 = 0 + -225.25
-32x + x2 = 0 + -225.25

Combine like terms: 0 + -225.25 = -225.25
-32x + x2 = -225.25

The x term is -32x.  Take half its coefficient (-16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
-32x + 256 + x2 = -225.25 + 256

Reorder the terms:
256 + -32x + x2 = -225.25 + 256

Combine like terms: -225.25 + 256 = 30.75
256 + -32x + x2 = 30.75

Factor a perfect square on the left side:
(x + -16)(x + -16) = 30.75

Calculate the square root of the right side: 5.545268253

Break this problem into two subproblems by setting 
(x + -16) equal to 5.545268253 and -5.545268253.

Subproblem 1

x + -16 = 5.545268253 Simplifying x + -16 = 5.545268253 Reorder the terms: -16 + x = 5.545268253 Solving -16 + x = 5.545268253 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + x = 5.545268253 + 16 Combine like terms: -16 + 16 = 0 0 + x = 5.545268253 + 16 x = 5.545268253 + 16 Combine like terms: 5.545268253 + 16 = 21.545268253 x = 21.545268253 Simplifying x = 21.545268253

Subproblem 2

x + -16 = -5.545268253 Simplifying x + -16 = -5.545268253 Reorder the terms: -16 + x = -5.545268253 Solving -16 + x = -5.545268253 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + x = -5.545268253 + 16 Combine like terms: -16 + 16 = 0 0 + x = -5.545268253 + 16 x = -5.545268253 + 16 Combine like terms: -5.545268253 + 16 = 10.454731747 x = 10.454731747 Simplifying x = 10.454731747

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.545268253, 10.454731747}

See similar equations:

| (78x-56y)-(69x+35y)= | | (5y-2x)(8x+10)= | | 5x+15(x+1)=35 | | (3x+1)+(4x+8)=126 | | 3(3x+20)=-30 | | 5y-9y=-14+-14 | | 2x-4=6x+4-4x | | d-(0.34)d= | | 2x+4x-10=36 | | 4x+10=.5x-3 | | -2(2s-1)-2=-3(8s+2)-4 | | (1-x)(x+5)=0 | | -3+3x=-33 | | 7(3x+3)= | | (4x^2y^2)(-6x^2y^5)=0 | | 2y=5x-3i | | -26.5=6+4(b+3) | | 4x+10=1x-3 | | y=-0.8(1980)+27 | | -(6x+1)+2x=0 | | 1000(8x-10)=50(478+100x) | | 9(3x-6)= | | 2p=5y-3x | | AB*CB= | | 4x+10=1*2x-3 | | 20-(14.5/x)=2.2 | | 20-14.5/x=2.2 | | 7(-3)+8-8(-3)=11 | | 4x+10=1/2x-3 | | 2(4x-3)+2x=2z+18 | | -3(6x-1)+12x-15=-30 | | 100(x+-3)=450+-50x |

Equations solver categories