10r^2+8rs+25rs+20s^2=0

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Solution for 10r^2+8rs+25rs+20s^2=0 equation:


Simplifying
10r2 + 8rs + 25rs + 20s2 = 0

Reorder the terms:
8rs + 25rs + 10r2 + 20s2 = 0

Combine like terms: 8rs + 25rs = 33rs
33rs + 10r2 + 20s2 = 0

Solving
33rs + 10r2 + 20s2 = 0

Solving for variable 'r'.

Factor a trinomial.
(5r + 4s)(2r + 5s) = 0

Subproblem 1

Set the factor '(5r + 4s)' equal to zero and attempt to solve: Simplifying 5r + 4s = 0 Solving 5r + 4s = 0 Move all terms containing r to the left, all other terms to the right. Add '-4s' to each side of the equation. 5r + 4s + -4s = 0 + -4s Combine like terms: 4s + -4s = 0 5r + 0 = 0 + -4s 5r = 0 + -4s Remove the zero: 5r = -4s Divide each side by '5'. r = -0.8s Simplifying r = -0.8s

Subproblem 2

Set the factor '(2r + 5s)' equal to zero and attempt to solve: Simplifying 2r + 5s = 0 Solving 2r + 5s = 0 Move all terms containing r to the left, all other terms to the right. Add '-5s' to each side of the equation. 2r + 5s + -5s = 0 + -5s Combine like terms: 5s + -5s = 0 2r + 0 = 0 + -5s 2r = 0 + -5s Remove the zero: 2r = -5s Divide each side by '2'. r = -2.5s Simplifying r = -2.5s

Solution

r = {-0.8s, -2.5s}

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