4x^2-16x=16

Simple and best practice solution for 4x^2-16x=16 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^2-16x=16 equation:


Simplifying
4x2 + -16x = 16

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

Solving
-16x + 4x2 = 16

Solving for variable 'x'.

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

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

Factor out the Greatest Common Factor (GCF), '4'.
4(-4 + -4x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-4 + -4x + x2)' equal to zero and attempt to solve: Simplifying -4 + -4x + x2 = 0 Solving -4 + -4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + -4x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + -4x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -4x + x2 = 0 + 4 -4x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 -4x + x2 = 4 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = 4 + 4 Reorder the terms: 4 + -4x + x2 = 4 + 4 Combine like terms: 4 + 4 = 8 4 + -4x + x2 = 8 Factor a perfect square on the left side: (x + -2)(x + -2) = 8 Calculate the square root of the right side: 2.828427125 Break this problem into two subproblems by setting (x + -2) equal to 2.828427125 and -2.828427125.

Subproblem 1

x + -2 = 2.828427125 Simplifying x + -2 = 2.828427125 Reorder the terms: -2 + x = 2.828427125 Solving -2 + x = 2.828427125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 2.828427125 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.828427125 + 2 x = 2.828427125 + 2 Combine like terms: 2.828427125 + 2 = 4.828427125 x = 4.828427125 Simplifying x = 4.828427125

Subproblem 2

x + -2 = -2.828427125 Simplifying x + -2 = -2.828427125 Reorder the terms: -2 + x = -2.828427125 Solving -2 + x = -2.828427125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -2.828427125 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.828427125 + 2 x = -2.828427125 + 2 Combine like terms: -2.828427125 + 2 = -0.828427125 x = -0.828427125 Simplifying x = -0.828427125

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.828427125, -0.828427125}

Solution

x = {4.828427125, -0.828427125}

See similar equations:

| 50=x-(403.45+0.1x) | | 6y-5(y-2)+5=8 | | 6y-5y-10+5=8 | | x*1.5=21000 | | 7y=6(y+16) | | 3x-4=5x-6 | | 8/9x4/9 | | 8x^2y^3-12x^3y^2= | | x/19=-50+25 | | 6(t+2)-14=6+-2 | | 10x+5(x+9)=27 | | -6(-3w+6)-2w=6(w-3)-6 | | x-9=-6+7 | | 5x^2/3+28x^1/3+15=0 | | -6-4=-7+x | | 1x+(8-x)= | | -7(y-7)=2y+40 | | -2u+6=4(u+3) | | -2(v-8)=7v-2 | | -2w-30=-8(w-3) | | 3(w-9)=8w-12 | | 12.50-7.25m=32.50-5.25m | | 16t^2+40t-25=0 | | 0.20m=0.25 | | 7-9x-4=-34+7x-11 | | w-7=w+5-7w-1 | | 2=-8x-6 | | 2t^2-8t-3=0 | | x^2+ix+3=0 | | 4[5x-3(y-1)]= | | (8x+9)(x^2-4x+1)= | | 20x-y=40 |

Equations solver categories