2rs^2-8rs-90r=

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Solution for 2rs^2-8rs-90r= equation:


Simplifying
2rs2 + -8rs + -90r = 0

Reorder the terms:
-90r + -8rs + 2rs2 = 0

Solving
-90r + -8rs + 2rs2 = 0

Solving for variable 'r'.

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

Factor out the Greatest Common Factor (GCF), '2r'.
2r(-45 + -4s + s2) = 0

Factor a trinomial.
2r((-5 + -1s)(9 + -1s)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0

Subproblem 2

Set the factor '(-5 + -1s)' equal to zero and attempt to solve: Simplifying -5 + -1s = 0 Solving -5 + -1s = 0 Move all terms containing r to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1s = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1s = 0 + 5 -1s = 0 + 5 Combine like terms: 0 + 5 = 5 -1s = 5 Add 's' to each side of the equation. -1s + s = 5 + s Combine like terms: -1s + s = 0 0 = 5 + s Simplifying 0 = 5 + s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(9 + -1s)' equal to zero and attempt to solve: Simplifying 9 + -1s = 0 Solving 9 + -1s = 0 Move all terms containing r to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1s = 0 + -9 -1s = 0 + -9 Combine like terms: 0 + -9 = -9 -1s = -9 Add 's' to each side of the equation. -1s + s = -9 + s Combine like terms: -1s + s = 0 0 = -9 + s Simplifying 0 = -9 + s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

r = {0}

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