5s^2-70s+245=0

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Solution for 5s^2-70s+245=0 equation:


Simplifying
5s2 + -70s + 245 = 0

Reorder the terms:
245 + -70s + 5s2 = 0

Solving
245 + -70s + 5s2 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), '5'.
5(49 + -14s + s2) = 0

Factor a trinomial.
5((7 + -1s)(7 + -1s)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(7 + -1s)' equal to zero and attempt to solve: Simplifying 7 + -1s = 0 Solving 7 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1s = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1s = 0 + -7 -1s = 0 + -7 Combine like terms: 0 + -7 = -7 -1s = -7 Divide each side by '-1'. s = 7 Simplifying s = 7

Subproblem 2

Set the factor '(7 + -1s)' equal to zero and attempt to solve: Simplifying 7 + -1s = 0 Solving 7 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1s = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1s = 0 + -7 -1s = 0 + -7 Combine like terms: 0 + -7 = -7 -1s = -7 Divide each side by '-1'. s = 7 Simplifying s = 7

Solution

s = {7, 7}

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