3x^2-5x-4(x^2-3x)=6

Simple and best practice solution for 3x^2-5x-4(x^2-3x)=6 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^2-5x-4(x^2-3x)=6 equation:


Simplifying
3x2 + -5x + -4(x2 + -3x) = 6

Reorder the terms:
3x2 + -5x + -4(-3x + x2) = 6
3x2 + -5x + (-3x * -4 + x2 * -4) = 6
3x2 + -5x + (12x + -4x2) = 6

Reorder the terms:
-5x + 12x + 3x2 + -4x2 = 6

Combine like terms: -5x + 12x = 7x
7x + 3x2 + -4x2 = 6

Combine like terms: 3x2 + -4x2 = -1x2
7x + -1x2 = 6

Solving
7x + -1x2 = 6

Solving for variable 'x'.

Reorder the terms:
-6 + 7x + -1x2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + 7x + -1x2 = 0

Factor a trinomial.
(-6 + x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 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 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6

Subproblem 2

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

Solution

x = {6, 1}

See similar equations:

| -2x=100+18e | | x^2+y^2-4x+12y=9 | | 3(x+16)=4x+5 | | m^2-6m=15 | | 8x-60=-30 | | (8)-(4)= | | 2(2x-3)+2x=45 | | 12-3g=7-2g | | 2x-y+3z=3 | | x*.090=231.25 | | 3x-2(1-2x)=0.5(3x+1.5) | | 2x-0.5(3x-2)=1.75-x | | 82-7x=11x+20 | | 4x+5y=-11 | | 7x-4=8x+7 | | -2x+5y=2 | | 3a-p=r | | n=0.03-59.08 | | 2(-1.3181818)-3y=4 | | x+5.5x=397 | | 5x+25=2x+73 | | 2(x+3)=2(x-3) | | 5+25=2+73 | | x-5.5x=397 | | (2x-9)=33 | | e*779942286= | | -5+3x=9 | | 3x^2+4x=15+y | | 3(x-4)+5=14 | | 4z+3(5-z)=-(z-1)+12 | | 5x-3x=10+3x-3x | | 4(z^2+z-2)=-2z^2-7z+2 |

Equations solver categories