x^2+4x+40+x^2+2x-4=180

Simple and best practice solution for x^2+4x+40+x^2+2x-4=180 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+4x+40+x^2+2x-4=180 equation:


Simplifying
x2 + 4x + 40 + x2 + 2x + -4 = 180

Reorder the terms:
40 + -4 + 4x + 2x + x2 + x2 = 180

Combine like terms: 40 + -4 = 36
36 + 4x + 2x + x2 + x2 = 180

Combine like terms: 4x + 2x = 6x
36 + 6x + x2 + x2 = 180

Combine like terms: x2 + x2 = 2x2
36 + 6x + 2x2 = 180

Solving
36 + 6x + 2x2 = 180

Solving for variable 'x'.

Reorder the terms:
36 + -180 + 6x + 2x2 = 180 + -180

Combine like terms: 36 + -180 = -144
-144 + 6x + 2x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-144 + 6x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-72 + 3x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-72 + 3x + x2)' equal to zero and attempt to solve: Simplifying -72 + 3x + x2 = 0 Solving -72 + 3x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '72' to each side of the equation. -72 + 3x + 72 + x2 = 0 + 72 Reorder the terms: -72 + 72 + 3x + x2 = 0 + 72 Combine like terms: -72 + 72 = 0 0 + 3x + x2 = 0 + 72 3x + x2 = 0 + 72 Combine like terms: 0 + 72 = 72 3x + x2 = 72 The x term is 3x. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3x + 2.25 + x2 = 72 + 2.25 Reorder the terms: 2.25 + 3x + x2 = 72 + 2.25 Combine like terms: 72 + 2.25 = 74.25 2.25 + 3x + x2 = 74.25 Factor a perfect square on the left side: (x + 1.5)(x + 1.5) = 74.25 Calculate the square root of the right side: 8.61684397 Break this problem into two subproblems by setting (x + 1.5) equal to 8.61684397 and -8.61684397.

Subproblem 1

x + 1.5 = 8.61684397 Simplifying x + 1.5 = 8.61684397 Reorder the terms: 1.5 + x = 8.61684397 Solving 1.5 + x = 8.61684397 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 8.61684397 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 8.61684397 + -1.5 x = 8.61684397 + -1.5 Combine like terms: 8.61684397 + -1.5 = 7.11684397 x = 7.11684397 Simplifying x = 7.11684397

Subproblem 2

x + 1.5 = -8.61684397 Simplifying x + 1.5 = -8.61684397 Reorder the terms: 1.5 + x = -8.61684397 Solving 1.5 + x = -8.61684397 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -8.61684397 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -8.61684397 + -1.5 x = -8.61684397 + -1.5 Combine like terms: -8.61684397 + -1.5 = -10.11684397 x = -10.11684397 Simplifying x = -10.11684397

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.11684397, -10.11684397}

Solution

x = {7.11684397, -10.11684397}

See similar equations:

| b-8+8b=20 | | b-7+7b=14 | | ln(8+x)=2.25 | | 4(x-3)+2x=x-8 | | -8r-1=-7r-r | | ln(3x)=14 | | 2x+3x+8=-3x+64 | | (5x-6)(4x-6)= | | 85=5(1-2k) | | 4x+45=4x+45 | | -4=b-4+4b | | 4v-5v=-6 | | 2x+1=77 | | 4x^3-x^2-27X-18=0 | | T-1=9T+23 | | X^2-7x+12.25=20.25 | | 5x+2x-23=1-x-4x | | 2q-3=3(q+2)-7 | | 5n-2=3n+8 | | 12=4-8x | | -4=+2(4x+2) | | 4(x-5)=2x-3 | | 3+2y+s=8 | | 5g+5-2g+g+5h= | | -13=m+6 | | 3.65x+25.55=51.1 | | -23=8x-7 | | -31=n-15 | | p+7=17 | | 0.9x+0.05(12-x)=0.10(-113) | | 13-3x=-26 | | 2x+5-x=12 |

Equations solver categories