8r^2+10rs-25s^2=

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


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

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

Solving
10rs + 8r2 + -25s2 = 0

Solving for variable 'r'.

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

Subproblem 1

Set the factor '(4r + -5s)' equal to zero and attempt to solve: Simplifying 4r + -5s = 0 Solving 4r + -5s = 0 Move all terms containing r to the left, all other terms to the right. Add '5s' to each side of the equation. 4r + -5s + 5s = 0 + 5s Combine like terms: -5s + 5s = 0 4r + 0 = 0 + 5s 4r = 0 + 5s Remove the zero: 4r = 5s Divide each side by '4'. r = 1.25s Simplifying r = 1.25s

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 = {1.25s, -2.5s}

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