7(8u-11)=(8u-11)(8u-11)

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Solution for 7(8u-11)=(8u-11)(8u-11) equation:


Simplifying
7(8u + -11) = (8u + -11)(8u + -11)

Reorder the terms:
7(-11 + 8u) = (8u + -11)(8u + -11)
(-11 * 7 + 8u * 7) = (8u + -11)(8u + -11)
(-77 + 56u) = (8u + -11)(8u + -11)

Reorder the terms:
-77 + 56u = (-11 + 8u)(8u + -11)

Reorder the terms:
-77 + 56u = (-11 + 8u)(-11 + 8u)

Multiply (-11 + 8u) * (-11 + 8u)
-77 + 56u = (-11(-11 + 8u) + 8u * (-11 + 8u))
-77 + 56u = ((-11 * -11 + 8u * -11) + 8u * (-11 + 8u))
-77 + 56u = ((121 + -88u) + 8u * (-11 + 8u))
-77 + 56u = (121 + -88u + (-11 * 8u + 8u * 8u))
-77 + 56u = (121 + -88u + (-88u + 64u2))

Combine like terms: -88u + -88u = -176u
-77 + 56u = (121 + -176u + 64u2)

Solving
-77 + 56u = 121 + -176u + 64u2

Solving for variable 'u'.

Reorder the terms:
-77 + -121 + 56u + 176u + -64u2 = 121 + -176u + 64u2 + -121 + 176u + -64u2

Combine like terms: -77 + -121 = -198
-198 + 56u + 176u + -64u2 = 121 + -176u + 64u2 + -121 + 176u + -64u2

Combine like terms: 56u + 176u = 232u
-198 + 232u + -64u2 = 121 + -176u + 64u2 + -121 + 176u + -64u2

Reorder the terms:
-198 + 232u + -64u2 = 121 + -121 + -176u + 176u + 64u2 + -64u2

Combine like terms: 121 + -121 = 0
-198 + 232u + -64u2 = 0 + -176u + 176u + 64u2 + -64u2
-198 + 232u + -64u2 = -176u + 176u + 64u2 + -64u2

Combine like terms: -176u + 176u = 0
-198 + 232u + -64u2 = 0 + 64u2 + -64u2
-198 + 232u + -64u2 = 64u2 + -64u2

Combine like terms: 64u2 + -64u2 = 0
-198 + 232u + -64u2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-99 + 116u + -32u2) = 0

Factor a trinomial.
2((-9 + 4u)(11 + -8u)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-9 + 4u)' equal to zero and attempt to solve: Simplifying -9 + 4u = 0 Solving -9 + 4u = 0 Move all terms containing u to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 4u = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 4u = 0 + 9 4u = 0 + 9 Combine like terms: 0 + 9 = 9 4u = 9 Divide each side by '4'. u = 2.25 Simplifying u = 2.25

Subproblem 2

Set the factor '(11 + -8u)' equal to zero and attempt to solve: Simplifying 11 + -8u = 0 Solving 11 + -8u = 0 Move all terms containing u to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -8u = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -8u = 0 + -11 -8u = 0 + -11 Combine like terms: 0 + -11 = -11 -8u = -11 Divide each side by '-8'. u = 1.375 Simplifying u = 1.375

Solution

u = {2.25, 1.375}

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