(x-5)(3x)=72

Simple and best practice solution for (x-5)(3x)=72 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-5)(3x)=72 equation:


Simplifying
(x + -5)(3x) = 72

Reorder the terms:
(-5 + x)(3x) = 72

Remove parenthesis around (3x)
(-5 + x) * 3x = 72

Reorder the terms for easier multiplication:
3x(-5 + x) = 72
(-5 * 3x + x * 3x) = 72
(-15x + 3x2) = 72

Solving
-15x + 3x2 = 72

Solving for variable 'x'.

Reorder the terms:
-72 + -15x + 3x2 = 72 + -72

Combine like terms: 72 + -72 = 0
-72 + -15x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-24 + -5x + x2) = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-3, 8}

See similar equations:

| 2(4x-3)=12+2 | | ln(2x)+ln(3)=ln(24) | | (x-5)3x=72 | | X^2-22x=-85 | | 12v-7=5v+49 | | 18a^2+10a=-11+4 | | 9x-10=5x+49 | | 4v+10=2(2v+5) | | x=x*6+232 | | 7y-4=18 | | x^2-10x+5+y^2+6y+3-2=0 | | x(15x+18)=0 | | 3y+4y=21 | | (10y-3)(3y-10)= | | 2x(4x+3)=6x+14 | | a^2(a-1)x=a^2+a+2ax | | (8a+1)2= | | 2y+4(y-6)=7y-3(y-10) | | ay+b=cx | | -3x-3y=12 | | 4(3a-2y)= | | (5a-7)(2a+9)= | | 9m-18=63 | | 93-p=71 | | x^4+6x^3-28x^2-96x+64=0 | | 3(n-1)=33 | | 7z+1=99 | | 6(9+k)=156 | | (a+7)(a-7)= | | 9(x+10)=-63 | | 25-3p=19 | | 3log^4(-3x)=6 |

Equations solver categories