16r^2-56r+49=0

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Solution for 16r^2-56r+49=0 equation:


Simplifying
16r2 + -56r + 49 = 0

Reorder the terms:
49 + -56r + 16r2 = 0

Solving
49 + -56r + 16r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(7 + -4r)(7 + -4r) = 0

Subproblem 1

Set the factor '(7 + -4r)' equal to zero and attempt to solve: Simplifying 7 + -4r = 0 Solving 7 + -4r = 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 + -4r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4r = 0 + -7 -4r = 0 + -7 Combine like terms: 0 + -7 = -7 -4r = -7 Divide each side by '-4'. r = 1.75 Simplifying r = 1.75

Subproblem 2

Set the factor '(7 + -4r)' equal to zero and attempt to solve: Simplifying 7 + -4r = 0 Solving 7 + -4r = 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 + -4r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4r = 0 + -7 -4r = 0 + -7 Combine like terms: 0 + -7 = -7 -4r = -7 Divide each side by '-4'. r = 1.75 Simplifying r = 1.75

Solution

r = {1.75, 1.75}

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