(x-5)*(x+3)=0

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


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

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

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

Multiply (-5 + x) * (3 + x)
(-5(3 + x) + x(3 + x)) = 0
((3 * -5 + x * -5) + x(3 + x)) = 0
((-15 + -5x) + x(3 + x)) = 0
(-15 + -5x + (3 * x + x * x)) = 0
(-15 + -5x + (3x + x2)) = 0

Combine like terms: -5x + 3x = -2x
(-15 + -2x + x2) = 0

Solving
-15 + -2x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

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

Solution

x = {-3, 5}

See similar equations:

| y=sin(3x+2) | | 275d=50 | | 275=50 | | 35=-2x-55 | | y=11000(1+(0.05)2) | | 6(3t-4)-4t=4(t-2) | | 2q+817=369 | | (8x+8)(x+3)=0 | | 5y-4=4y+4 | | 2a+5b=-16 | | 6a+5b=8 | | s-41=-12 | | t-10=3 | | log(3+x)=1.8 | | Y=tx/v | | y=6000(1+(0.04)2) | | 7(10-4x)=0 | | 4sin^3x+12cos^2x+11sinx-15=0 | | v=1/3(36)(7) | | 6a-5b=-8 | | Y=7f-x | | y-(-3/4)=5/6 | | y=5(2)+9 | | -17-12x=28-9x | | 4=22b | | -0.2x=5x+0.2 | | V=1/3(36)(3) | | 4x-40=80 | | (3x+3)(6x+9)=0 | | 60=5(11+u) | | Y=200+0.8x | | 3x+-9x+6=20+-3x+4x |

Equations solver categories