8r^2-14rs-15s^2=0

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Solution for 8r^2-14rs-15s^2=0 equation:


Simplifying
8r2 + -14rs + -15s2 = 0

Reorder the terms:
-14rs + 8r2 + -15s2 = 0

Solving
-14rs + 8r2 + -15s2 = 0

Solving for variable 'r'.

Factor a trinomial.
(2r + -5s)(4r + 3s) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(4r + 3s)' equal to zero and attempt to solve: Simplifying 4r + 3s = 0 Solving 4r + 3s = 0 Move all terms containing r to the left, all other terms to the right. Add '-3s' to each side of the equation. 4r + 3s + -3s = 0 + -3s Combine like terms: 3s + -3s = 0 4r + 0 = 0 + -3s 4r = 0 + -3s Remove the zero: 4r = -3s Divide each side by '4'. r = -0.75s Simplifying r = -0.75s

Solution

r = {2.5s, -0.75s}

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