4x^2-2x+4=17

Simple and best practice solution for 4x^2-2x+4=17 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^2-2x+4=17 equation:


Simplifying
4x2 + -2x + 4 = 17

Reorder the terms:
4 + -2x + 4x2 = 17

Solving
4 + -2x + 4x2 = 17

Solving for variable 'x'.

Reorder the terms:
4 + -17 + -2x + 4x2 = 17 + -17

Combine like terms: 4 + -17 = -13
-13 + -2x + 4x2 = 17 + -17

Combine like terms: 17 + -17 = 0
-13 + -2x + 4x2 = 0

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

Divide each side by '4'.
-3.25 + -0.5x + x2 = 0

Move the constant term to the right:

Add '3.25' to each side of the equation.
-3.25 + -0.5x + 3.25 + x2 = 0 + 3.25

Reorder the terms:
-3.25 + 3.25 + -0.5x + x2 = 0 + 3.25

Combine like terms: -3.25 + 3.25 = 0.00
0.00 + -0.5x + x2 = 0 + 3.25
-0.5x + x2 = 0 + 3.25

Combine like terms: 0 + 3.25 = 3.25
-0.5x + x2 = 3.25

The x term is -0.5x.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5x + 0.0625 + x2 = 3.25 + 0.0625

Reorder the terms:
0.0625 + -0.5x + x2 = 3.25 + 0.0625

Combine like terms: 3.25 + 0.0625 = 3.3125
0.0625 + -0.5x + x2 = 3.3125

Factor a perfect square on the left side:
(x + -0.25)(x + -0.25) = 3.3125

Calculate the square root of the right side: 1.820027472

Break this problem into two subproblems by setting 
(x + -0.25) equal to 1.820027472 and -1.820027472.

Subproblem 1

x + -0.25 = 1.820027472 Simplifying x + -0.25 = 1.820027472 Reorder the terms: -0.25 + x = 1.820027472 Solving -0.25 + x = 1.820027472 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = 1.820027472 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = 1.820027472 + 0.25 x = 1.820027472 + 0.25 Combine like terms: 1.820027472 + 0.25 = 2.070027472 x = 2.070027472 Simplifying x = 2.070027472

Subproblem 2

x + -0.25 = -1.820027472 Simplifying x + -0.25 = -1.820027472 Reorder the terms: -0.25 + x = -1.820027472 Solving -0.25 + x = -1.820027472 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = -1.820027472 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = -1.820027472 + 0.25 x = -1.820027472 + 0.25 Combine like terms: -1.820027472 + 0.25 = -1.570027472 x = -1.570027472 Simplifying x = -1.570027472

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.070027472, -1.570027472}

See similar equations:

| 8r-125=68 | | 4x^2-2x+4=10 | | -x^2=-3-5x | | -x^2+3+5x=0 | | y^2-2y-6=0 | | 40r-3r^2=0 | | 7x+3=7-9x | | x/3+2/3=-5 | | x+72=x | | 3x=6x+2 | | 2x^2+4x+13/6=0 | | x^4-6x^3+8x^2-6x-9=0 | | 8x+3-7=5x+8-2x | | 1/2(4d-2)d+5 | | 7.5/x=62 | | 8x+3x-7=5x+8-2x | | 10-8x+x^2=0 | | 9x+7=5(4x-3) | | 25x-7=25 | | -5(3m-6)+16(m-4)=11-6 | | 0=2.5x^2-17x-10 | | 2x^4-50x=0 | | l=p*r*t | | 83.9*1000= | | 0=x^2+17x+10 | | 8(x+5)+2x=8 | | 23x-11y=29 | | 23z-11y=29 | | 1/2+3/8x-5=10/1/2 | | 8(x+4)=200 | | 8y-7(y-7)+1=8 | | 4y-3(y-4)+1=6 |

Equations solver categories