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

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


Simplifying
(4x + -9)(3x + 9) = 0

Reorder the terms:
(-9 + 4x)(3x + 9) = 0

Reorder the terms:
(-9 + 4x)(9 + 3x) = 0

Multiply (-9 + 4x) * (9 + 3x)
(-9(9 + 3x) + 4x * (9 + 3x)) = 0
((9 * -9 + 3x * -9) + 4x * (9 + 3x)) = 0
((-81 + -27x) + 4x * (9 + 3x)) = 0
(-81 + -27x + (9 * 4x + 3x * 4x)) = 0
(-81 + -27x + (36x + 12x2)) = 0

Combine like terms: -27x + 36x = 9x
(-81 + 9x + 12x2) = 0

Solving
-81 + 9x + 12x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-27 + 3x + 4x2) = 0

Factor a trinomial.
3((-3 + -1x)(9 + -4x)) = 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 '(9 + -4x)' equal to zero and attempt to solve:

Simplifying
9 + -4x = 0

Solving
9 + -4x = 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 + -4x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = 0 + -9
-4x = 0 + -9

Combine like terms: 0 + -9 = -9
-4x = -9

Divide each side by '-4'.
x = 2.25

Simplifying
x = 2.25
Solution
x = {-3, 2.25}

See similar equations:

| 4y^2-12+9=0 | | -4(t-3)-(t+9)=9 | | Ln(8x-3)=0.7364 | | 4(3x+2)=41 | | 1.5x+.25=1.6x | | 2csquared-11c+5=0 | | 10(x+-2)+15=8x+7 | | Y=4(5)-9 | | 2x+9=5-(8x-5) | | 5+2x=12+18x-4.905x^2 | | a=(x+22)(x+18) | | -20x-4y=-6 | | 21+6x=-11-14x | | 0=cos(ln(x)) | | (x+13)(4x+1)= | | 3(2x+4)=23 | | 8x+5y+2.2=14.47 | | 5x^2-70x+258=0 | | 0=3y+7x-6 | | x^4-2x^2-54=0 | | x-2.5=0 | | 9(5x+3)=342 | | 2(1x+4)+6=22 | | 8x+5y+2.2=6x+7y | | 6.28+8.64= | | 8.64+6.15= | | m^2-32=4m | | 10x-9=9x+10 | | -3(x-3)+2(3x-2)=14 | | 0.1y^2=10 | | 2.5+6.4= | | T-t=20 |

Equations solver categories