u(u-5)+8=u(u+2)-4

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Solution for u(u-5)+8=u(u+2)-4 equation:


Simplifying
u(u + -5) + 8 = u(u + 2) + -4

Reorder the terms:
u(-5 + u) + 8 = u(u + 2) + -4
(-5 * u + u * u) + 8 = u(u + 2) + -4
(-5u + u2) + 8 = u(u + 2) + -4

Reorder the terms:
8 + -5u + u2 = u(u + 2) + -4

Reorder the terms:
8 + -5u + u2 = u(2 + u) + -4
8 + -5u + u2 = (2 * u + u * u) + -4
8 + -5u + u2 = (2u + u2) + -4

Reorder the terms:
8 + -5u + u2 = -4 + 2u + u2

Add '-1u2' to each side of the equation.
8 + -5u + u2 + -1u2 = -4 + 2u + u2 + -1u2

Combine like terms: u2 + -1u2 = 0
8 + -5u + 0 = -4 + 2u + u2 + -1u2
8 + -5u = -4 + 2u + u2 + -1u2

Combine like terms: u2 + -1u2 = 0
8 + -5u = -4 + 2u + 0
8 + -5u = -4 + 2u

Solving
8 + -5u = -4 + 2u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-2u' to each side of the equation.
8 + -5u + -2u = -4 + 2u + -2u

Combine like terms: -5u + -2u = -7u
8 + -7u = -4 + 2u + -2u

Combine like terms: 2u + -2u = 0
8 + -7u = -4 + 0
8 + -7u = -4

Add '-8' to each side of the equation.
8 + -8 + -7u = -4 + -8

Combine like terms: 8 + -8 = 0
0 + -7u = -4 + -8
-7u = -4 + -8

Combine like terms: -4 + -8 = -12
-7u = -12

Divide each side by '-7'.
u = 1.714285714

Simplifying
u = 1.714285714

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