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

Simple and best practice solution for (2x-5)(x+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 (2x-5)(x+4)=0 equation:


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

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

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

Multiply (-5 + 2x) * (4 + x)
(-5(4 + x) + 2x * (4 + x)) = 0
((4 * -5 + x * -5) + 2x * (4 + x)) = 0
((-20 + -5x) + 2x * (4 + x)) = 0
(-20 + -5x + (4 * 2x + x * 2x)) = 0
(-20 + -5x + (8x + 2x2)) = 0

Combine like terms: -5x + 8x = 3x
(-20 + 3x + 2x2) = 0

Solving
-20 + 3x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(5 + -2x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-4, 2.5}

See similar equations:

| 5p-10=25 | | 20-4j=j | | 3xy^2+y^3=8 | | 7x+5=-9 | | 7x-8=6x+11 | | 2x+4*3x= | | 2a-8+5a=20 | | 27x-16-6x=14+21x-30 | | x^2+4x-84=0 | | 0.5x-3=2.2-0.75x | | 3y+14+(2y-7)=7y+(19-4y) | | (-5)-(4)= | | 171-4x=32x+19 | | 0.4x^2=2x^2-8.6 | | 3x+10=8x-14 | | 176-4x=41x+21 | | 8x^2=4x | | 14-10x=78-24x | | 1(3-6)-8(99+7)= | | 112y^2+1761y+6534=0 | | -74-10x=8x+16 | | 25x=25x | | 3x+14=-12-10x | | 2(6+3)+3(4+7)= | | 5x+6=2x+5 | | x=1.25*(2.0-x) | | 3x-11=x+5 | | 5x-9=-9+5x | | 7x-43=20+3x | | 9x-4y=17 | | 8x=3x+5 | | 7-2c=31 |

Equations solver categories