(s+4)(5-15)=0

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Solution for (s+4)(5-15)=0 equation:


Simplifying
(s + 4)(5 + -15) = 0

Reorder the terms:
(4 + s)(5 + -15) = 0

Combine like terms: 5 + -15 = -10
(4 + s)(-10) = 0

Reorder the terms for easier multiplication:
-10(4 + s) = 0
(4 * -10 + s * -10) = 0
(-40 + -10s) = 0

Solving
-40 + -10s = 0

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '40' to each side of the equation.
-40 + 40 + -10s = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -10s = 0 + 40
-10s = 0 + 40

Combine like terms: 0 + 40 = 40
-10s = 40

Divide each side by '-10'.
s = -4

Simplifying
s = -4

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