r^2=-49+14r

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Solution for r^2=-49+14r equation:


Simplifying
r2 = -49 + 14r

Solving
r2 = -49 + 14r

Solving for variable 'r'.

Reorder the terms:
49 + -14r + r2 = -49 + 14r + 49 + -14r

Reorder the terms:
49 + -14r + r2 = -49 + 49 + 14r + -14r

Combine like terms: -49 + 49 = 0
49 + -14r + r2 = 0 + 14r + -14r
49 + -14r + r2 = 14r + -14r

Combine like terms: 14r + -14r = 0
49 + -14r + r2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

r = {7, 7}

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