1d(1d-1)+4d=1d(1d-8)

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Solution for 1d(1d-1)+4d=1d(1d-8) equation:


Simplifying
1d(1d + -1) + 4d = 1d(1d + -8)

Reorder the terms:
1d(-1 + 1d) + 4d = 1d(1d + -8)
(-1 * 1d + 1d * 1d) + 4d = 1d(1d + -8)
(-1d + 1d2) + 4d = 1d(1d + -8)

Reorder the terms:
-1d + 4d + 1d2 = 1d(1d + -8)

Combine like terms: -1d + 4d = 3d
3d + 1d2 = 1d(1d + -8)

Reorder the terms:
3d + 1d2 = 1d(-8 + 1d)
3d + 1d2 = (-8 * 1d + 1d * 1d)
3d + 1d2 = (-8d + 1d2)

Add '-1d2' to each side of the equation.
3d + 1d2 + -1d2 = -8d + 1d2 + -1d2

Combine like terms: 1d2 + -1d2 = 0
3d + 0 = -8d + 1d2 + -1d2
3d = -8d + 1d2 + -1d2

Combine like terms: 1d2 + -1d2 = 0
3d = -8d + 0
3d = -8d

Solving
3d = -8d

Solving for variable 'd'.

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

Add '8d' to each side of the equation.
3d + 8d = -8d + 8d

Combine like terms: 3d + 8d = 11d
11d = -8d + 8d

Combine like terms: -8d + 8d = 0
11d = 0

Divide each side by '11'.
d = 0

Simplifying
d = 0

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