4z^3+16z^2-7Z-28=

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Solution for 4z^3+16z^2-7Z-28= equation:


Simplifying
4z3 + 16z2 + -7Z + -28 = 0

Reorder the terms:
-28 + -7Z + 16z2 + 4z3 = 0

Solving
-28 + -7Z + 16z2 + 4z3 = 0

Solving for variable 'Z'.

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

Add '28' to each side of the equation.
-28 + -7Z + 16z2 + 28 + 4z3 = 0 + 28

Reorder the terms:
-28 + 28 + -7Z + 16z2 + 4z3 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -7Z + 16z2 + 4z3 = 0 + 28
-7Z + 16z2 + 4z3 = 0 + 28

Combine like terms: 0 + 28 = 28
-7Z + 16z2 + 4z3 = 28

Add '-16z2' to each side of the equation.
-7Z + 16z2 + -16z2 + 4z3 = 28 + -16z2

Combine like terms: 16z2 + -16z2 = 0
-7Z + 0 + 4z3 = 28 + -16z2
-7Z + 4z3 = 28 + -16z2

Add '-4z3' to each side of the equation.
-7Z + 4z3 + -4z3 = 28 + -16z2 + -4z3

Combine like terms: 4z3 + -4z3 = 0
-7Z + 0 = 28 + -16z2 + -4z3
-7Z = 28 + -16z2 + -4z3

Divide each side by '-7'.
Z = -4 + 2.285714286z2 + 0.5714285714z3

Simplifying
Z = -4 + 2.285714286z2 + 0.5714285714z3

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