(x-3)(x+5)=

Solution for (x-3)(x+5)= equation:

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

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

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

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

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

Solving
-15 + 2x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -1x)(3 + -1x) = 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 '(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
Solution
x = {-5, 3}