(2x-9)(9x+2)=

Simple and best practice solution for (2x-9)(9x+2)= 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 (2x-9)(9x+2)= equation: 


Simplifying
(2x + -9)(9x + 2) = 0

Reorder the terms:
(-9 + 2x)(9x + 2) = 0

Reorder the terms:
(-9 + 2x)(2 + 9x) = 0

Multiply (-9 + 2x) * (2 + 9x)
(-9(2 + 9x) + 2x * (2 + 9x)) = 0
((2 * -9 + 9x * -9) + 2x * (2 + 9x)) = 0
((-18 + -81x) + 2x * (2 + 9x)) = 0
(-18 + -81x + (2 * 2x + 9x * 2x)) = 0
(-18 + -81x + (4x + 18x2)) = 0

Combine like terms: -81x + 4x = -77x
(-18 + -77x + 18x2) = 0

Solving
-18 + -77x + 18x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -9x)(9 + -2x) = 0


Subproblem 1
Set the factor '(-2 + -9x)' equal to zero and attempt to solve:

Simplifying
-2 + -9x = 0

Solving
-2 + -9x = 0

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

Add '2' to each side of the equation.
-2 + 2 + -9x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -9x = 0 + 2
-9x = 0 + 2

Combine like terms: 0 + 2 = 2
-9x = 2

Divide each side by '-9'.
x = -0.2222222222

Simplifying
x = -0.2222222222

Subproblem 2
Set the factor '(9 + -2x)' equal to zero and attempt to solve:

Simplifying
9 + -2x = 0

Solving
9 + -2x = 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 + -2x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = 0 + -9
-2x = 0 + -9

Combine like terms: 0 + -9 = -9
-2x = -9

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5
Solution
x = {-0.2222222222, 4.5}

See similar equations:

| M+(m+7)=35 | | 0.16(x+65)+0.36(x+85)=-37 | | 2(4x-3)-7=4+2x | | 14x+81=123 | | 4+2+7ab= | | 0.40x+0.40(120)=0.20(146) | | x=(cx+4)(c-2) | | -6p+15=57 | | 12x(x+3)=-3(x+13) | | 3/5t=12 | | 3/5t+12 | | 4x=8(2x-3) | | x/7=21 | | 15-(15y-1)=2(7y-16)-y | | -2x^4=-100 | | 200x+0.25=1.50x-200 | | H+32=126 | | -9z+4z=-5 | | -5x=-150 | | X+(x-3)=5 | | 91=13x | | -2p+8=6-(11p+5) | | -1=-2x-2x-1 | | -2x+1/3=5/3 | | 3x+2/2-3x-2/3=x-4 | | (8/2*4)+(-9+12)*2 | | 4x=5/8 | | 3+24/3*2-5 | | -2+5x=58 | | 14-1/3(6y+27)=-3y-10 | | 5q^2/6-q^2/3=72 | | -3(1-1x)=18 |

Equations solver categories