7=2x(x-4)-3(x-4)

Simple and best practice solution for 7=2x(x-4)-3(x-4) 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 7=2x(x-4)-3(x-4) equation:


Simplifying
7 = 2x(x + -4) + -3(x + -4)

Reorder the terms:
7 = 2x(-4 + x) + -3(x + -4)
7 = (-4 * 2x + x * 2x) + -3(x + -4)
7 = (-8x + 2x2) + -3(x + -4)

Reorder the terms:
7 = -8x + 2x2 + -3(-4 + x)
7 = -8x + 2x2 + (-4 * -3 + x * -3)
7 = -8x + 2x2 + (12 + -3x)

Reorder the terms:
7 = 12 + -8x + -3x + 2x2

Combine like terms: -8x + -3x = -11x
7 = 12 + -11x + 2x2

Solving
7 = 12 + -11x + 2x2

Solving for variable 'x'.

Combine like terms: 7 + -12 = -5
-5 + 11x + -2x2 = 12 + -11x + 2x2 + -12 + 11x + -2x2

Reorder the terms:
-5 + 11x + -2x2 = 12 + -12 + -11x + 11x + 2x2 + -2x2

Combine like terms: 12 + -12 = 0
-5 + 11x + -2x2 = 0 + -11x + 11x + 2x2 + -2x2
-5 + 11x + -2x2 = -11x + 11x + 2x2 + -2x2

Combine like terms: -11x + 11x = 0
-5 + 11x + -2x2 = 0 + 2x2 + -2x2
-5 + 11x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-5 + 11x + -2x2 = 0

Factor a trinomial.
(-5 + x)(1 + -2x) = 0

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 '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {5, 0.5}

See similar equations:

| 14-x=15 | | -6(t-2)-(t+2)=6 | | 7-9x=47-16x | | -121-7x=9x+23 | | 4x+7=-15-7x | | 3x+51=8x+11 | | 126-3x=5x+14 | | -16-2x=8-8x | | (4t-5)=2(t+1)+4 | | 4x+10=80-6x | | 6+3x=22+x | | 2y+4=2(y+2) | | 4x-2=12x-98 | | 8v-3=9v-1 | | 3x+27=13x-53 | | 12x-10=9x+5 | | 5n+6=26 | | 3+7(x-8)=4-7(x-1) | | 3x+5=-(x-13) | | -2(4n+6)=2 | | 3(x-3)-9=0 | | 14y-3=72-y | | 6x+3=15x-12 | | 7(x-4)=2x(x-4)-3(x-4) | | 6z+3=z-3 | | 8n-19=61 | | 4n+3=11 | | -12=3x-5 | | 145+36x=433 | | x-5=21 | | 8m=15 | | 6(3-2z)+11z-4= |

Equations solver categories