3(8x-3)(x+7)=0

Simple and best practice solution for 3(8x-3)(x+7)=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 3(8x-3)(x+7)=0 equation:


Simplifying
3(8x + -3)(x + 7) = 0

Reorder the terms:
3(-3 + 8x)(x + 7) = 0

Reorder the terms:
3(-3 + 8x)(7 + x) = 0

Multiply (-3 + 8x) * (7 + x)
3(-3(7 + x) + 8x * (7 + x)) = 0
3((7 * -3 + x * -3) + 8x * (7 + x)) = 0
3((-21 + -3x) + 8x * (7 + x)) = 0
3(-21 + -3x + (7 * 8x + x * 8x)) = 0
3(-21 + -3x + (56x + 8x2)) = 0

Combine like terms: -3x + 56x = 53x
3(-21 + 53x + 8x2) = 0
(-21 * 3 + 53x * 3 + 8x2 * 3) = 0
(-63 + 159x + 24x2) = 0

Solving
-63 + 159x + 24x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-21 + 53x + 8x2) = 0

Factor a trinomial.
3((-7 + -1x)(3 + -8x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(3 + -8x)' equal to zero and attempt to solve: Simplifying 3 + -8x = 0 Solving 3 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -8x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -8x = 0 + -3 -8x = 0 + -3 Combine like terms: 0 + -3 = -3 -8x = -3 Divide each side by '-8'. x = 0.375 Simplifying x = 0.375

Solution

x = {-7, 0.375}

See similar equations:

| 4/165/16 | | 4-2(4d+2)+(8+d)=18 | | 5t=2t+9 | | 4/5n=13/7 | | 3(3x-2)+1-6x=1 | | 4.4r+48.004=7.8(.6r-1.82)-6.5r | | a^2-a-12= | | 3-3b=b-0.3 | | 3x^4-8x-3=0 | | -4(-6b+7)-16b=4(7b-12) | | 12/4x=69 | | 15x+3=20x^2+4x | | 4x+4=13+4 | | 2(-4t+2)=-10t | | 4(2f+4)=-2(-17-7f) | | 6.3q+1.9-3.1q-5.5=2.8 | | 4x^2-12xy-5x+15y= | | 3(15v+3)=-6(3-9v) | | 5cotx+3=0 | | 3.2p+40=2.0p-8 | | -n(-n^3+8)+(-n)(7n^3+1)= | | 12(3n+.7)=4(3n+2.1)+24n | | 4(z-19)=-z+19-14z | | 8+6=4x+2 | | 2x^2+8x=320 | | 32xn=576 | | V=4/3*3.14r10 | | 5x^2-x-4=3 | | -r+2(-11r+4)=-19r | | -3(-5q+16)=3(-15+6q) | | -4(-4s+9)=19s-6-s | | 14x+9=16x-9 |

Equations solver categories