Math, asked by gkul72979, 8 months ago

factorise (16z⁴-72z²+81)

Answers

Answered by saumyarani0326

12

16z2-(36z2+36z2)+81

16z4-36z2-36z2+81

4z2(4z2-9)-9(4z2-9)

(4z2-9)(4z2-9)

Answered by swamyshilpa321

4

Step-by-step explanation:

15tebeebeenuuq781gg3732h8388hehwwjw udnfifjrri

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