9-30z+25z^ factorize.
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Answer:
ok
Step-by-step explanation:
25z²-30z+9
25z²-(15z+15z)+9
25z²-15z-15z+9
(25z²-15z)+(-15z+9)
5z(5z-3)-3(5z-3)
(5z-3) (5z-3)
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