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

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


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

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

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

Multiply (-4 + 3x) * (9 + 4x)
(-4(9 + 4x) + 3x * (9 + 4x)) = 0
((9 * -4 + 4x * -4) + 3x * (9 + 4x)) = 0
((-36 + -16x) + 3x * (9 + 4x)) = 0
(-36 + -16x + (9 * 3x + 4x * 3x)) = 0
(-36 + -16x + (27x + 12x2)) = 0

Combine like terms: -16x + 27x = 11x
(-36 + 11x + 12x2) = 0

Solving
-36 + 11x + 12x2 = 0

Solving for variable 'x'.

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


Subproblem 1
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

Subproblem 2
Set the factor '(4 + -3x)' equal to zero and attempt to solve:

Simplifying
4 + -3x = 0

Solving
4 + -3x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -3x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3x = 0 + -4
-3x = 0 + -4

Combine like terms: 0 + -4 = -4
-3x = -4

Divide each side by '-3'.
x = 1.333333333

Simplifying
x = 1.333333333
Solution
x = {-2.25, 1.333333333}

See similar equations:

| 4=4.9+r | | (5/6)7=X | | 6x^2+10x-3x-5=0 | | 3-121x=164 | | 1/3=x/300 | | 5/4.3 | | 19rs+r^2+90s^2=0 | | -3-121x=-164 | | 3sinx+2=8 | | r-5r-6=0 | | 5/6x7=X | | 5x+2(x+10)=8 | | 2.2x-5=-13 | | (7y+6)(4y+116)=180 | | (1.4)(1.4)= | | 3-21x=-164 | | -10=4.7+h | | 11/6x2/3 | | 2(x+6)=-3(x+3) | | z/-550 | | 4x-53=31-3x | | 15/k=3/20 | | 1/2x-10=8 | | 4x-5.5= | | 4.9v+7.3=-2.8 | | 3.4x=40.8 | | 1x^2+11x=0 | | 4(2x)-4=8+2x+8 | | -(93x-73)= | | 1/4x-2/3=4 | | -5y=3y-4 | | 3y+14=y+6 |

Equations solver categories