2x(2x)-4=

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


Simplifying
2x(2x) + -4 = 0

Remove parenthesis around (2x)
2x * 2x + -4 = 0

Reorder the terms for easier multiplication:
2 * 2x * x + -4 = 0

Multiply 2 * 2
4x * x + -4 = 0

Multiply x * x
4x2 + -4 = 0

Reorder the terms:
-4 + 4x2 = 0

Solving
-4 + 4x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

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

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

Combine like terms: 0 + 4 = 4
4x2 = 4

Divide each side by '4'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}

See similar equations:

| x(9x+18)=4x^2-6x+5 | | -2(3x+5)-4(3-x)=12 | | [2-3x]+2=9 | | 9y-2y=21 | | 2r+14=28 | | 2n-6+36=15 | | -(4x-5y+2)= | | q+13=16q+0 | | 3x^2+7=115 | | 3x^2+7x-115=0 | | 6(20)+5= | | 0.4(2x-0.8)=1/7(4.9x+7) | | 65q+13=2q+0 | | 2(4r+6)=2/5(12r+18) | | 3000/x=550 | | 5m-3n+2m-n= | | -49=v+42-5v | | 2d+18=16-(d+7) | | 0.50x+0.75y=42 | | 3=93-2 | | f(x) = 7 + x52 | | 5b+45=6b+9 | | 72+4-12d=3 | | 7a-2(-1)=17 | | 2(1+8n)+5n=17+6n | | 3m(m+9)= | | 4y-9=y+18 | | 2-0+3-7= | | 6x-5=3x+16 | | 8(12)+7= | | 6x+7-3x=2x+25 | | 6-(4-7a)=-2+8a |

Equations solver categories