(3x-5)(9x+4)=0

Simple and best practice solution for (3x-5)(9x+4)=0 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-5)(9x+4)=0 equation:


Simplifying
(3x + -5)(9x + 4) = 0

Reorder the terms:
(-5 + 3x)(9x + 4) = 0

Reorder the terms:
(-5 + 3x)(4 + 9x) = 0

Multiply (-5 + 3x) * (4 + 9x)
(-5(4 + 9x) + 3x * (4 + 9x)) = 0
((4 * -5 + 9x * -5) + 3x * (4 + 9x)) = 0
((-20 + -45x) + 3x * (4 + 9x)) = 0
(-20 + -45x + (4 * 3x + 9x * 3x)) = 0
(-20 + -45x + (12x + 27x2)) = 0

Combine like terms: -45x + 12x = -33x
(-20 + -33x + 27x2) = 0

Solving
-20 + -33x + 27x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -9x)(5 + -3x) = 0

Subproblem 1

Set the factor '(-4 + -9x)' equal to zero and attempt to solve: Simplifying -4 + -9x = 0 Solving -4 + -9x = 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 + -9x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -9x = 0 + 4 -9x = 0 + 4 Combine like terms: 0 + 4 = 4 -9x = 4 Divide each side by '-9'. x = -0.4444444444 Simplifying x = -0.4444444444

Subproblem 2

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Solution

x = {-0.4444444444, 1.666666667}

See similar equations:

| 10cos^2(x)+9cos(x)+2=0 | | 12c=5+11c | | 2(6-4x)+1=2(x+4)-5x | | g(x)=x^4-2x^3+10x^2-18x+9 | | 2/2x=-109/2 | | (x+2)-2(3-5x)=6(x+4)-3 | | 2x+21-21=88-21 | | (1/x)-(3/2)=7/x | | x+x+y=88 | | 4x+6=2(x+5) | | (b/3)+(1/2)=1-(b/4) | | (b/3)+(1/2)=1-(b/4) | | -3x-x=-13 | | 1.10/1.10x=45/1.10 | | 30x+30y=11.55 | | (b/3)+(1/2)=(1-(b/4)) | | 2x+6(1-x)=18 | | -9y=-54 | | 10x+x=45 | | (y)/x+1=(3/10) | | -9(3b+1)+(28-3)=0 | | 10x+x=y | | (y/x+1)=(3/10) | | 3y-5+y+51=7+8y+43-6y | | 4x-a=180 | | 5x+3x-6x-5x= | | 45x+65y=18.55 | | x-(x-1)-(x-3)=10 | | x=1.2x-1.2 | | (8-y)(4y+7)=0 | | 10x+4=6x-4(x+5) | | 5(2y-123)-6y=-20 |

Equations solver categories