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

Simple and best practice solution for (x+5)(2x-9)=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 (x+5)(2x-9)=0 equation:


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

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

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

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

Combine like terms: 10x + -9x = 1x
(-45 + 1x + 2x2) = 0

Solving
-45 + 1x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -1x)(9 + -2x) = 0

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 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 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

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 = {-5, 4.5}

See similar equations:

| 6(x+4)+12=3(4x-1)+27 | | X^2+26x-155=0 | | 3-5(x-3)=4-4(x-5) | | 10v^2+5v+6v+3= | | 9x+13=180 | | -5x=-2(3x-4) | | 9x+30=3x+174 | | -5(1+8x)=-39-6x | | (5x+9)=4x | | 124-3x=15x+18 | | 5(x-2)-2x=2(3x+2) | | -5(1+8x)=39-6x | | 81=(3x-9) | | -7-7k=-7(1+8k) | | ln(5x-8)+ln(2)=2ln(x) | | 13x+34=90 | | 3(2x+8)=2(x-12) | | 3x-6=x-18 | | -8(a+8)=-16+4a | | 8y+12=16+2y-34 | | .11111111111x^2-13x+324=0 | | 25x^2+x^4+16=0 | | 7x+34=90 | | 3x-15-2(x+4)=6-x | | 7+6x=7+6x | | -26b-5+9= | | w-4+2w=3w-4 | | 3n+6+7n=42-2n | | 7y+2y-8= | | 7-6x=-4x-6 | | 2x-5+x+3= | | 3+6x=24-x |

Equations solver categories