x^2+3x^2=64+8x+16

Simple and best practice solution for x^2+3x^2=64+8x+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 x^2+3x^2=64+8x+16 equation:


Simplifying
x2 + 3x2 = 64 + 8x + 16

Combine like terms: x2 + 3x2 = 4x2
4x2 = 64 + 8x + 16

Reorder the terms:
4x2 = 64 + 16 + 8x

Combine like terms: 64 + 16 = 80
4x2 = 80 + 8x

Solving
4x2 = 80 + 8x

Solving for variable 'x'.

Reorder the terms:
-80 + -8x + 4x2 = 80 + 8x + -80 + -8x

Reorder the terms:
-80 + -8x + 4x2 = 80 + -80 + 8x + -8x

Combine like terms: 80 + -80 = 0
-80 + -8x + 4x2 = 0 + 8x + -8x
-80 + -8x + 4x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-80 + -8x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-20 + -2x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-20 + -2x + x2)' equal to zero and attempt to solve: Simplifying -20 + -2x + x2 = 0 Solving -20 + -2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '20' to each side of the equation. -20 + -2x + 20 + x2 = 0 + 20 Reorder the terms: -20 + 20 + -2x + x2 = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -2x + x2 = 0 + 20 -2x + x2 = 0 + 20 Combine like terms: 0 + 20 = 20 -2x + x2 = 20 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 20 + 1 Reorder the terms: 1 + -2x + x2 = 20 + 1 Combine like terms: 20 + 1 = 21 1 + -2x + x2 = 21 Factor a perfect square on the left side: (x + -1)(x + -1) = 21 Calculate the square root of the right side: 4.582575695 Break this problem into two subproblems by setting (x + -1) equal to 4.582575695 and -4.582575695.

Subproblem 1

x + -1 = 4.582575695 Simplifying x + -1 = 4.582575695 Reorder the terms: -1 + x = 4.582575695 Solving -1 + x = 4.582575695 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 4.582575695 + 1 Combine like terms: -1 + 1 = 0 0 + x = 4.582575695 + 1 x = 4.582575695 + 1 Combine like terms: 4.582575695 + 1 = 5.582575695 x = 5.582575695 Simplifying x = 5.582575695

Subproblem 2

x + -1 = -4.582575695 Simplifying x + -1 = -4.582575695 Reorder the terms: -1 + x = -4.582575695 Solving -1 + x = -4.582575695 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -4.582575695 + 1 Combine like terms: -1 + 1 = 0 0 + x = -4.582575695 + 1 x = -4.582575695 + 1 Combine like terms: -4.582575695 + 1 = -3.582575695 x = -3.582575695 Simplifying x = -3.582575695

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.582575695, -3.582575695}

Solution

x = {5.582575695, -3.582575695}

See similar equations:

| 2x^3+6x^2y-20xy^2= | | (2x-18)(3x+9)=0 | | -16(9u-4v+8w)= | | -5(-4x+5)= | | 2x(4x+2)(3x+6)=0 | | 9x-11-8=4 | | 7.9x-3=6.9x | | 17t^2-25t^2= | | 3(-2y+9)-4y=-43 | | y=-4x+1050 | | 0.06x=4.8 | | x(4x-2)(3x-7)=0 | | (7/3x^2)-(4/3x^2) | | 4d+2=(d-1)(d+3) | | 2.8x-65=1.1x+3 | | -8n=8 | | 1.17=7(11-x) | | 3(8-b)-44=21b-4(5+6b) | | (w-10)(w-10)-27=0 | | 6/15=x-2/20 | | -3x-4=2x-0 | | 4+Q=100-2Q | | 64*52= | | -0.2x+7.92=-0.4x+5.52 | | 3/4m=9/10 | | h=-16t^2-10t+120 | | 0.78=7(11-x) | | (2x^2/3x^3)^2 | | 9+x^2+6x=0 | | 48-29x=3.6 | | (x-5)(x+5)-27=0 | | 7(x+15)(x-20)=0 |

Equations solver categories