SOLUTION: Facto: 30z^2 - 87z + 30

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Question 311954: Facto: 30z^2 - 87z + 30
Answer by mollukutti(30) About Me  (Show Source):
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30z^2 - 87z + 30
=3(10z^2 -29z +10)
=3(10z^2 -25z -4z +10)
=3{5z(2z-5)-2(2z-5)}
=3(2z-5)(5z-2)