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

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


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

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

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

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

Combine like terms: 36x + -16x = 20x
(-36 + 20x + 16x2) = 0

Solving
-36 + 20x + 16x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-9 + 5x + 4x2) = 0

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

Ignore the factor 4.

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 '(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 = {-2.25, 1}

See similar equations:

| -2(y-1)=6y-30 | | p+0.04p=176.8 | | -4y+38=2(y-2) | | 4y+9-2y=8y-3+9 | | (21x)-(18x+7)= | | 48x^2-15=22x | | y=3/7x-2 | | 2s^2-5s=3 | | -3x+16=25 | | 2s-5s=3 | | ((1-a^2)^2-(1+a^2)^2)/a^-2 | | (-7)-3= | | n+0.94n= | | 9y^2-3y-12=0 | | 2x+4y=3x-6 | | ((1-a^2)^2-(1+a^2)^2)/3 | | (5x-5/16)(6/x-1) | | 6n+6=64n+65 | | 9x+21x-8=0 | | f(6)= | | X+2/8=6/7+x-1/2 | | -[4z-(11z+6)]=6+(6z+2) | | 3+4y=3y-2 | | 3x^2-5x=36 | | (z^2-9)/(9z+45)(z+5)/(x-3) | | 21n+14=48n+23 | | 8p+6=7p+13 | | B^3-7b^2+12b=0 | | 2a^2+13a=20 | | w^3-729+72=0 | | 9x-3-4x=x+7+x | | 2h^2=5h |

Equations solver categories