(s+3)(s+5)+s(10-s)=11s+1

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Solution for (s+3)(s+5)+s(10-s)=11s+1 equation:


Simplifying
(s + 3)(s + 5) + s(10 + -1s) = 11s + 1

Reorder the terms:
(3 + s)(s + 5) + s(10 + -1s) = 11s + 1

Reorder the terms:
(3 + s)(5 + s) + s(10 + -1s) = 11s + 1

Multiply (3 + s) * (5 + s)
(3(5 + s) + s(5 + s)) + s(10 + -1s) = 11s + 1
((5 * 3 + s * 3) + s(5 + s)) + s(10 + -1s) = 11s + 1
((15 + 3s) + s(5 + s)) + s(10 + -1s) = 11s + 1
(15 + 3s + (5 * s + s * s)) + s(10 + -1s) = 11s + 1
(15 + 3s + (5s + s2)) + s(10 + -1s) = 11s + 1

Combine like terms: 3s + 5s = 8s
(15 + 8s + s2) + s(10 + -1s) = 11s + 1
15 + 8s + s2 + (10 * s + -1s * s) = 11s + 1
15 + 8s + s2 + (10s + -1s2) = 11s + 1

Reorder the terms:
15 + 8s + 10s + s2 + -1s2 = 11s + 1

Combine like terms: 8s + 10s = 18s
15 + 18s + s2 + -1s2 = 11s + 1

Combine like terms: s2 + -1s2 = 0
15 + 18s + 0 = 11s + 1
15 + 18s = 11s + 1

Reorder the terms:
15 + 18s = 1 + 11s

Solving
15 + 18s = 1 + 11s

Solving for variable 's'.

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

Add '-11s' to each side of the equation.
15 + 18s + -11s = 1 + 11s + -11s

Combine like terms: 18s + -11s = 7s
15 + 7s = 1 + 11s + -11s

Combine like terms: 11s + -11s = 0
15 + 7s = 1 + 0
15 + 7s = 1

Add '-15' to each side of the equation.
15 + -15 + 7s = 1 + -15

Combine like terms: 15 + -15 = 0
0 + 7s = 1 + -15
7s = 1 + -15

Combine like terms: 1 + -15 = -14
7s = -14

Divide each side by '7'.
s = -2

Simplifying
s = -2

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