-x^2+5=(4x-1)(4x-1)

Simple and best practice solution for -x^2+5=(4x-1)(4x-1) 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 -x^2+5=(4x-1)(4x-1) equation:


Simplifying
-1x2 + 5 = (4x + -1)(4x + -1)

Reorder the terms:
5 + -1x2 = (4x + -1)(4x + -1)

Reorder the terms:
5 + -1x2 = (-1 + 4x)(4x + -1)

Reorder the terms:
5 + -1x2 = (-1 + 4x)(-1 + 4x)

Multiply (-1 + 4x) * (-1 + 4x)
5 + -1x2 = (-1(-1 + 4x) + 4x * (-1 + 4x))
5 + -1x2 = ((-1 * -1 + 4x * -1) + 4x * (-1 + 4x))
5 + -1x2 = ((1 + -4x) + 4x * (-1 + 4x))
5 + -1x2 = (1 + -4x + (-1 * 4x + 4x * 4x))
5 + -1x2 = (1 + -4x + (-4x + 16x2))

Combine like terms: -4x + -4x = -8x
5 + -1x2 = (1 + -8x + 16x2)

Solving
5 + -1x2 = 1 + -8x + 16x2

Solving for variable 'x'.

Reorder the terms:
5 + -1 + 8x + -1x2 + -16x2 = 1 + -8x + 16x2 + -1 + 8x + -16x2

Combine like terms: 5 + -1 = 4
4 + 8x + -1x2 + -16x2 = 1 + -8x + 16x2 + -1 + 8x + -16x2

Combine like terms: -1x2 + -16x2 = -17x2
4 + 8x + -17x2 = 1 + -8x + 16x2 + -1 + 8x + -16x2

Reorder the terms:
4 + 8x + -17x2 = 1 + -1 + -8x + 8x + 16x2 + -16x2

Combine like terms: 1 + -1 = 0
4 + 8x + -17x2 = 0 + -8x + 8x + 16x2 + -16x2
4 + 8x + -17x2 = -8x + 8x + 16x2 + -16x2

Combine like terms: -8x + 8x = 0
4 + 8x + -17x2 = 0 + 16x2 + -16x2
4 + 8x + -17x2 = 16x2 + -16x2

Combine like terms: 16x2 + -16x2 = 0
4 + 8x + -17x2 = 0

Begin completing the square.  Divide all terms by
-17 the coefficient of the squared term: 

Divide each side by '-17'.
-0.2352941176 + -0.4705882353x + x2 = 0

Move the constant term to the right:

Add '0.2352941176' to each side of the equation.
-0.2352941176 + -0.4705882353x + 0.2352941176 + x2 = 0 + 0.2352941176

Reorder the terms:
-0.2352941176 + 0.2352941176 + -0.4705882353x + x2 = 0 + 0.2352941176

Combine like terms: -0.2352941176 + 0.2352941176 = 0.0000000000
0.0000000000 + -0.4705882353x + x2 = 0 + 0.2352941176
-0.4705882353x + x2 = 0 + 0.2352941176

Combine like terms: 0 + 0.2352941176 = 0.2352941176
-0.4705882353x + x2 = 0.2352941176

The x term is -0.4705882353x.  Take half its coefficient (-0.2352941177).
Square it (0.05536332182) and add it to both sides.

Add '0.05536332182' to each side of the equation.
-0.4705882353x + 0.05536332182 + x2 = 0.2352941176 + 0.05536332182

Reorder the terms:
0.05536332182 + -0.4705882353x + x2 = 0.2352941176 + 0.05536332182

Combine like terms: 0.2352941176 + 0.05536332182 = 0.29065743942
0.05536332182 + -0.4705882353x + x2 = 0.29065743942

Factor a perfect square on the left side:
(x + -0.2352941177)(x + -0.2352941177) = 0.29065743942

Calculate the square root of the right side: 0.539126552

Break this problem into two subproblems by setting 
(x + -0.2352941177) equal to 0.539126552 and -0.539126552.

Subproblem 1

x + -0.2352941177 = 0.539126552 Simplifying x + -0.2352941177 = 0.539126552 Reorder the terms: -0.2352941177 + x = 0.539126552 Solving -0.2352941177 + x = 0.539126552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2352941177' to each side of the equation. -0.2352941177 + 0.2352941177 + x = 0.539126552 + 0.2352941177 Combine like terms: -0.2352941177 + 0.2352941177 = 0.0000000000 0.0000000000 + x = 0.539126552 + 0.2352941177 x = 0.539126552 + 0.2352941177 Combine like terms: 0.539126552 + 0.2352941177 = 0.7744206697 x = 0.7744206697 Simplifying x = 0.7744206697

Subproblem 2

x + -0.2352941177 = -0.539126552 Simplifying x + -0.2352941177 = -0.539126552 Reorder the terms: -0.2352941177 + x = -0.539126552 Solving -0.2352941177 + x = -0.539126552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2352941177' to each side of the equation. -0.2352941177 + 0.2352941177 + x = -0.539126552 + 0.2352941177 Combine like terms: -0.2352941177 + 0.2352941177 = 0.0000000000 0.0000000000 + x = -0.539126552 + 0.2352941177 x = -0.539126552 + 0.2352941177 Combine like terms: -0.539126552 + 0.2352941177 = -0.3038324343 x = -0.3038324343 Simplifying x = -0.3038324343

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.7744206697, -0.3038324343}

See similar equations:

| 4a+7a=7a+16 | | v/-4=13 | | -0.25+0.6= | | -0.25-0.6= | | (13m-11)=2m+5 | | -6(b-6)+4=88 | | 4.5s-s= | | 0.25-0.6= | | x*3+75=x*9-9 | | 18x11/(18x11)= | | 13m-11=2m+5 | | 2v-1=11 | | 63=2(6x-1)+5 | | 16a-5a= | | d+d+3d= | | -66=6(1+4m) | | 8(4n+2)=240 | | -3(2x-4)+(5x-3)= | | 11h+h= | | 3M-2p=0 | | 6-p^2=47 | | -(4x+6)-3(3x+6)= | | -8+4x=12+9x | | 5(2n-6)=-110 | | LA=3.14(r)(s) | | 4•/•2 | | 8=k+k | | P(X)=22.45 | | 4(5+6r)=116 | | (6-z)(4z-1)=0 | | 6x+15y+5=0 | | O(10)O(n)=2n-1 |

Equations solver categories