4z²-6z+9 FACTORIZE...
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Answer:
(2z-9)(2z-9)
Step-by-step explanation:
4z²-6z+9
= (2z)² - 2(2z)(3) + (3)²This is in the form of a²+2ab+b², i.e (a+b)²
= (2z-3)²
= (2z-3)(2z-3)
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