x(x+12)=-24

Simple and best practice solution for x(x+12)=-24 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(x+12)=-24 equation:


Simplifying
x(x + 12) = -24

Reorder the terms:
x(12 + x) = -24
(12 * x + x * x) = -24
(12x + x2) = -24

Solving
12x + x2 = -24

Solving for variable 'x'.

Reorder the terms:
24 + 12x + x2 = -24 + 24

Combine like terms: -24 + 24 = 0
24 + 12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + 12x + -24 + x2 = 0 + -24

Reorder the terms:
24 + -24 + 12x + x2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + 12x + x2 = 0 + -24
12x + x2 = 0 + -24

Combine like terms: 0 + -24 = -24
12x + x2 = -24

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = -24 + 36

Reorder the terms:
36 + 12x + x2 = -24 + 36

Combine like terms: -24 + 36 = 12
36 + 12x + x2 = 12

Factor a perfect square on the left side:
(x + 6)(x + 6) = 12

Calculate the square root of the right side: 3.464101615

Break this problem into two subproblems by setting 
(x + 6) equal to 3.464101615 and -3.464101615.

Subproblem 1

x + 6 = 3.464101615 Simplifying x + 6 = 3.464101615 Reorder the terms: 6 + x = 3.464101615 Solving 6 + x = 3.464101615 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 3.464101615 + -6 Combine like terms: 6 + -6 = 0 0 + x = 3.464101615 + -6 x = 3.464101615 + -6 Combine like terms: 3.464101615 + -6 = -2.535898385 x = -2.535898385 Simplifying x = -2.535898385

Subproblem 2

x + 6 = -3.464101615 Simplifying x + 6 = -3.464101615 Reorder the terms: 6 + x = -3.464101615 Solving 6 + x = -3.464101615 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -3.464101615 + -6 Combine like terms: 6 + -6 = 0 0 + x = -3.464101615 + -6 x = -3.464101615 + -6 Combine like terms: -3.464101615 + -6 = -9.464101615 x = -9.464101615 Simplifying x = -9.464101615

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.535898385, -9.464101615}

See similar equations:

| 64s^2+48s+9= | | y+2=-5 | | -n-2n+5n+7-3=-6 | | 35x^3-28x^2+7x= | | y+2y+3-4=6 | | 8x-2x-3=-45 | | 55+8x=57+7x | | 58+8x=67+5x | | 85+9x=90+4x | | 6(5-z)+2z= | | 112+7x=124+5x | | 7-19=7y-6y+1 | | -6(v+1)+v= | | 3b^2(b-5)=108b | | 15t-(t-4)= | | 7a+4a+a=7-19 | | 3(2-c)-c= | | 3x+7y=15 | | 5+2n+2= | | 8x-(4x+4)=12 | | 7(6)+6y=42 | | 7x+(-11x)= | | 7x+(-11)= | | y=2[3x-(4x-6)]-5(x-6) | | 8t+12t=120 | | 8(3x-9)=2(12x+7) | | 6x^2=x+15 | | 15y-45=30y | | 3x+6x=9 | | -3=a^2-3a+6 | | 0.0625x^4-0.1625x^2-0.9375=0 | | (6v-2y-3)(4v+5y)= |

Equations solver categories