(3x-1)(x+8)+(3x-1)(x+1)=0

Simple and best practice solution for (3x-1)(x+8)+(3x-1)(x+1)=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-1)(x+8)+(3x-1)(x+1)=0 equation:


Simplifying
(3x + -1)(x + 8) + (3x + -1)(x + 1) = 0

Reorder the terms:
(-1 + 3x)(x + 8) + (3x + -1)(x + 1) = 0

Reorder the terms:
(-1 + 3x)(8 + x) + (3x + -1)(x + 1) = 0

Multiply (-1 + 3x) * (8 + x)
(-1(8 + x) + 3x * (8 + x)) + (3x + -1)(x + 1) = 0
((8 * -1 + x * -1) + 3x * (8 + x)) + (3x + -1)(x + 1) = 0
((-8 + -1x) + 3x * (8 + x)) + (3x + -1)(x + 1) = 0
(-8 + -1x + (8 * 3x + x * 3x)) + (3x + -1)(x + 1) = 0
(-8 + -1x + (24x + 3x2)) + (3x + -1)(x + 1) = 0

Combine like terms: -1x + 24x = 23x
(-8 + 23x + 3x2) + (3x + -1)(x + 1) = 0

Reorder the terms:
-8 + 23x + 3x2 + (-1 + 3x)(x + 1) = 0

Reorder the terms:
-8 + 23x + 3x2 + (-1 + 3x)(1 + x) = 0

Multiply (-1 + 3x) * (1 + x)
-8 + 23x + 3x2 + (-1(1 + x) + 3x * (1 + x)) = 0
-8 + 23x + 3x2 + ((1 * -1 + x * -1) + 3x * (1 + x)) = 0
-8 + 23x + 3x2 + ((-1 + -1x) + 3x * (1 + x)) = 0
-8 + 23x + 3x2 + (-1 + -1x + (1 * 3x + x * 3x)) = 0
-8 + 23x + 3x2 + (-1 + -1x + (3x + 3x2)) = 0

Combine like terms: -1x + 3x = 2x
-8 + 23x + 3x2 + (-1 + 2x + 3x2) = 0

Reorder the terms:
-8 + -1 + 23x + 2x + 3x2 + 3x2 = 0

Combine like terms: -8 + -1 = -9
-9 + 23x + 2x + 3x2 + 3x2 = 0

Combine like terms: 23x + 2x = 25x
-9 + 25x + 3x2 + 3x2 = 0

Combine like terms: 3x2 + 3x2 = 6x2
-9 + 25x + 6x2 = 0

Solving
-9 + 25x + 6x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -2x)(1 + -3x) = 0

Subproblem 1

Set the factor '(-9 + -2x)' equal to zero and attempt to solve: Simplifying -9 + -2x = 0 Solving -9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -2x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -2x = 0 + 9 -2x = 0 + 9 Combine like terms: 0 + 9 = 9 -2x = 9 Divide each side by '-2'. x = -4.5 Simplifying x = -4.5

Subproblem 2

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {-4.5, 0.3333333333}

See similar equations:

| 3(v+15)-7=2 | | 7x^2+20x-32= | | 2y-2y+4y+y+4y=9 | | -3x-3.7=11.3 | | 5x+5-(x-18)=11 | | q+2q-2q=20 | | 14h-10h=20 | | 9=2(t-4)+1 | | 5y=35+10x | | 0.66666666666(x+6)=7 | | 16m-14m=14 | | -6x-4=-6(x-5) | | .4x+360=x | | 0.25y^2+2(0.25y)-10+y=0 | | 4x+1x= | | 4(x-3)-3(x-3)=2x+8 | | 2t+5t=14 | | mn+2m-3n=7 | | 2(s-4)+6=10 | | 2u=u+27 | | 14h-13h=11 | | 4+2x=-4x+40 | | x=6y-30 | | 1/4n-5-1/4n^2-5n=6/4n^2-5n | | 4x+10(24+-0.15x)=480 | | 3x+27-8=6(5x+5) | | 15+W*2=37 | | 2u/5=10 | | 4+2x=4x+40 | | 9h+11=5h+17 | | (t+2)+4t=2t-4 | | 10-f=7f-10+4 |

Equations solver categories