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

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


Simplifying
x2 = -4(4x + 1)

Reorder the terms:
x2 = -4(1 + 4x)
x2 = (1 * -4 + 4x * -4)
x2 = (-4 + -16x)

Solving
x2 = -4 + -16x

Solving for variable 'x'.

Reorder the terms:
4 + 16x + x2 = -4 + -16x + 4 + 16x

Reorder the terms:
4 + 16x + x2 = -4 + 4 + -16x + 16x

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

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

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 16x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + 16x + x2 = 0 + -4

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

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

The x term is 16x.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16x + 64 + x2 = -4 + 64

Reorder the terms:
64 + 16x + x2 = -4 + 64

Combine like terms: -4 + 64 = 60
64 + 16x + x2 = 60

Factor a perfect square on the left side:
(x + 8)(x + 8) = 60

Calculate the square root of the right side: 7.745966692

Break this problem into two subproblems by setting 
(x + 8) equal to 7.745966692 and -7.745966692.

Subproblem 1

x + 8 = 7.745966692 Simplifying x + 8 = 7.745966692 Reorder the terms: 8 + x = 7.745966692 Solving 8 + x = 7.745966692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 7.745966692 + -8 Combine like terms: 8 + -8 = 0 0 + x = 7.745966692 + -8 x = 7.745966692 + -8 Combine like terms: 7.745966692 + -8 = -0.254033308 x = -0.254033308 Simplifying x = -0.254033308

Subproblem 2

x + 8 = -7.745966692 Simplifying x + 8 = -7.745966692 Reorder the terms: 8 + x = -7.745966692 Solving 8 + x = -7.745966692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -7.745966692 + -8 Combine like terms: 8 + -8 = 0 0 + x = -7.745966692 + -8 x = -7.745966692 + -8 Combine like terms: -7.745966692 + -8 = -15.745966692 x = -15.745966692 Simplifying x = -15.745966692

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.254033308, -15.745966692}

See similar equations:

| 2k-1/4k^2-4k+1 | | 24/4+2x8-7 | | (9+u)(5u-8)=0 | | (7x-9)/(3)=((x-4)/6)+2 | | x-83=517 | | 8x+7y=-10 | | s^2-6s+9= | | 6(x-y)-3(3x-y)= | | 8/98/3= | | (3x+1)=(2x-1) | | 13-t=t-t | | 10+35X=430 | | (3x+15)/(6-x) | | 3(95-6x)=-x-152 | | -3-7=x | | 7x-9y=-63 | | 23-2/5x=-2/5x+23 | | x+1=-11 | | 2(5x+8)=6x+2 | | 23-2/5x=(-2/5)x+23 | | x^2-66x+65=0 | | x/3+4/5=2x-5/6 | | (x^(3)-6x^(2)-24x-17)/(x+1) | | 14x^2-4x-0=0 | | 25-64w^2= | | p-1/4=p/3+7.75 | | p-1/4=p/3+73/4 | | 5(x-6)+3=07 | | -6(8r+3)+3(10r+5)= | | 4x+15+2x=24+4x | | 5x-1=4x+6 | | p=a+b+4cfora |

Equations solver categories