z*2+8*z+17=0

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Solution for z*2+8*z+17=0 equation:


Simplifying
z * 2 + 8z + 17 = 0

Reorder the terms for easier multiplication:
2z + 8z + 17 = 0

Reorder the terms:
17 + 2z + 8z = 0

Combine like terms: 2z + 8z = 10z
17 + 10z = 0

Solving
17 + 10z = 0

Solving for variable 'z'.

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

Add '-17' to each side of the equation.
17 + -17 + 10z = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 10z = 0 + -17
10z = 0 + -17

Combine like terms: 0 + -17 = -17
10z = -17

Divide each side by '10'.
z = -1.7

Simplifying
z = -1.7

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