(4x+3)(x-6)=12x+9

Simple and best practice solution for (4x+3)(x-6)=12x+9 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 (4x+3)(x-6)=12x+9 equation:


Simplifying
(4x + 3)(x + -6) = 12x + 9

Reorder the terms:
(3 + 4x)(x + -6) = 12x + 9

Reorder the terms:
(3 + 4x)(-6 + x) = 12x + 9

Multiply (3 + 4x) * (-6 + x)
(3(-6 + x) + 4x * (-6 + x)) = 12x + 9
((-6 * 3 + x * 3) + 4x * (-6 + x)) = 12x + 9
((-18 + 3x) + 4x * (-6 + x)) = 12x + 9
(-18 + 3x + (-6 * 4x + x * 4x)) = 12x + 9
(-18 + 3x + (-24x + 4x2)) = 12x + 9

Combine like terms: 3x + -24x = -21x
(-18 + -21x + 4x2) = 12x + 9

Reorder the terms:
-18 + -21x + 4x2 = 9 + 12x

Solving
-18 + -21x + 4x2 = 9 + 12x

Solving for variable 'x'.

Reorder the terms:
-18 + -9 + -21x + -12x + 4x2 = 9 + 12x + -9 + -12x

Combine like terms: -18 + -9 = -27
-27 + -21x + -12x + 4x2 = 9 + 12x + -9 + -12x

Combine like terms: -21x + -12x = -33x
-27 + -33x + 4x2 = 9 + 12x + -9 + -12x

Reorder the terms:
-27 + -33x + 4x2 = 9 + -9 + 12x + -12x

Combine like terms: 9 + -9 = 0
-27 + -33x + 4x2 = 0 + 12x + -12x
-27 + -33x + 4x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
-27 + -33x + 4x2 = 0

Factor a trinomial.
(-3 + -4x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 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 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-0.75, 9}

See similar equations:

| u/5-8=11 | | 2x^3-4x^2-8x-16=0 | | 2c^3-4x^2-8x-16=0 | | log(5)(6x-8)=3 | | 42x^3-4x^2-8x-16=0 | | -5-n= | | 3(4.94m+-171)=34m-21 | | x(x-3)+(x+4)(x-4)=2-3x | | 24=1/23B^2 | | 86=5x-9 | | 48=2B*3B^2 | | https://s3.amazonaws.com/algebranation/testyourself_uploads/MAFS2/2-001-1.png | | 34p-1+28p=1+35p | | x(y+z)p+(z+x)q=x+y | | 5y-4+3y+6=18 | | 17n-5n-7n-4n-1=8 | | lxI-4=9 | | 12w-9w=12 | | X^2=810 | | 5x-10=-2x-17 | | 3u+5u=24 | | 5g-5g+5g=15 | | 13h-5h+2=18 | | 2(3w-7)=15 | | 4q-4q-q-1=16 | | (25+25x)-(25+25x).25=25 | | 24=1/2*3B^2 | | 5sin^2x+4cosx=4 | | 16g-13g-2g=13 | | 5x-1=2(x-3)-4 | | 1/6x19 | | 10w+3w-10w-3= |

Equations solver categories