(3x+6)(x+5)=0

Simple and best practice solution for (3x+6)(x+5)=0 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 (3x+6)(x+5)=0 equation:


Simplifying
(3x + 6)(x + 5) = 0

Reorder the terms:
(6 + 3x)(x + 5) = 0

Reorder the terms:
(6 + 3x)(5 + x) = 0

Multiply (6 + 3x) * (5 + x)
(6(5 + x) + 3x * (5 + x)) = 0
((5 * 6 + x * 6) + 3x * (5 + x)) = 0
((30 + 6x) + 3x * (5 + x)) = 0
(30 + 6x + (5 * 3x + x * 3x)) = 0
(30 + 6x + (15x + 3x2)) = 0

Combine like terms: 6x + 15x = 21x
(30 + 21x + 3x2) = 0

Solving
30 + 21x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(10 + 7x + x2) = 0

Factor a trinomial.
3((5 + x)(2 + x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 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 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-5, -2}

See similar equations:

| 3=-2x+23 | | 4x+21x+30=0 | | 4x-15=6x+7 | | 8-4y=2-7y | | 4x-(5x+3x)= | | -8(s+1)=20 | | 987=6543210 | | 14y-4=10y-20 | | -3y-5=y+15 | | 0=123456789 | | 15y-7=7y+25 | | 1-y=9-9y | | 18y+3=69 | | 6-2y=11-7y | | -7(2t+4)=-14 | | 55-4x=5-9x | | 3x+10=-32-4x | | 16y+20=22y+8 | | 3+91x=52x+39 | | 6x-59=3x-5 | | 2-2=10x-82 | | 10(5.5*5.5)-10(4.5*4.5)=100 | | -13+4x=-39+18x | | 4+10x=-50+x | | 6=-3x+30 | | 5x-6(1-x)=3(x-8)+6 | | 3x+4x-6=3x+9 | | -3x-11=x+1 | | x+2y+z=150 | | 5+8x=5+x | | 3x-10+x+72=180 | | 3x-15+x+10=180 |

Equations solver categories