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What are the solutions of the equation: z^2 - 12z + 36 = 0?  A. -6, 6 B. 6, 6 C. 6, -6 D. -6, -6

What are the solutions of the equation: z^2 - 12z + 36 = 0?  A. -6, 6 B. 6, 6 C. 6, -6 D. -6, -6
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2 votes
What are the solutions of the equation: z^2 - 12z + 36 = 0? 

A. -6, 6
B. 6, 6
C. 6, -6
D. -6, -6

User Stavros
by
8.2k points

1 Answer

3 votes
Factor by groups
(Z^2 -6z) (-6z+36)
GCF 1st binomial is z
GCF of 2nd binomial is -6
(z-6)(z-6)
Solutions
6,6
User Miguel P
by
8.0k points
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