-7u^2+11u-4=0

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Solution for -7u^2+11u-4=0 equation:


Simplifying
-7u2 + 11u + -4 = 0

Reorder the terms:
-4 + 11u + -7u2 = 0

Solving
-4 + 11u + -7u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-1 + u)(4 + -7u) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(4 + -7u)' equal to zero and attempt to solve: Simplifying 4 + -7u = 0 Solving 4 + -7u = 0 Move all terms containing u to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7u = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7u = 0 + -4 -7u = 0 + -4 Combine like terms: 0 + -4 = -4 -7u = -4 Divide each side by '-7'. u = 0.5714285714 Simplifying u = 0.5714285714

Solution

u = {1, 0.5714285714}

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