(5x-4)(2x+9)=

Simple and best practice solution for (5x-4)(2x+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 (5x-4)(2x+9)= equation: 


Simplifying
(5x + -4)(2x + 9) = 0

Reorder the terms:
(-4 + 5x)(2x + 9) = 0

Reorder the terms:
(-4 + 5x)(9 + 2x) = 0

Multiply (-4 + 5x) * (9 + 2x)
(-4(9 + 2x) + 5x * (9 + 2x)) = 0
((9 * -4 + 2x * -4) + 5x * (9 + 2x)) = 0
((-36 + -8x) + 5x * (9 + 2x)) = 0
(-36 + -8x + (9 * 5x + 2x * 5x)) = 0
(-36 + -8x + (45x + 10x2)) = 0

Combine like terms: -8x + 45x = 37x
(-36 + 37x + 10x2) = 0

Solving
-36 + 37x + 10x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -2x)(4 + -5x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(4 + -5x)' equal to zero and attempt to solve:

Simplifying
4 + -5x = 0

Solving
4 + -5x = 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 + -5x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -5x = 0 + -4
-5x = 0 + -4

Combine like terms: 0 + -4 = -4
-5x = -4

Divide each side by '-5'.
x = 0.8

Simplifying
x = 0.8
Solution
x = {-4.5, 0.8}

See similar equations:

| 8(t-2)+4t=6(2t+3)-13 | | 2-4y=16-6y+20 | | 4x+45-5=0 | | 1=3w+7 | | -4.8z-1.9= | | 3+2x=15+0 | | -29=-7X+3(x-7) | | 3x+4.5=9.9 | | 7x+4X=15+8x | | 1/x=(8/5x)+3 | | 1/x=8/5x+3 | | (-3u)^(5/3)*(5u)^(-2/3) | | -2(5s-5)-10=-3(6s+0)-5 | | (-4)(x-5)=0 | | 12-1/8w=3/4w-21 | | 2x+5y-7x+8y= | | 12(x)+2=23 | | x-0.4x=276 | | 12(x)+2=24 | | 5+4a=13+0 | | x^(6/x) | | 7/3x=7/2 | | 146-2x=94 | | 7x/70x^2-7x | | x^exp^0.3x/6 | | 3/2=.9t-3 | | 7(-5)+9y=10 | | 5x-3y=-9/2x-5y=4 | | 2x*2+7x=15 | | 3/2*2/3 | | f(x)=((x)) | | 114=2x+9+2x |

Equations solver categories