4u^2-28u+49=0

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Solution for 4u^2-28u+49=0 equation:


Simplifying
4u2 + -28u + 49 = 0

Reorder the terms:
49 + -28u + 4u2 = 0

Solving
49 + -28u + 4u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(7 + -2u)(7 + -2u) = 0

Subproblem 1

Set the factor '(7 + -2u)' equal to zero and attempt to solve: Simplifying 7 + -2u = 0 Solving 7 + -2u = 0 Move all terms containing u to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2u = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2u = 0 + -7 -2u = 0 + -7 Combine like terms: 0 + -7 = -7 -2u = -7 Divide each side by '-2'. u = 3.5 Simplifying u = 3.5

Subproblem 2

Set the factor '(7 + -2u)' equal to zero and attempt to solve: Simplifying 7 + -2u = 0 Solving 7 + -2u = 0 Move all terms containing u to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2u = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2u = 0 + -7 -2u = 0 + -7 Combine like terms: 0 + -7 = -7 -2u = -7 Divide each side by '-2'. u = 3.5 Simplifying u = 3.5

Solution

u = {3.5, 3.5}

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