factorise
125a^3-27-225a^2+135a
plz help me
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1
Answer:
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Step-by-step explanation:
3
3
+(−5a)
3
−45a(3−5a)
=(3)
3
+(−5a)
3
+3×3×(−5a)[3+(−5a)]
=[3+(−5a)]
3
=(3−5a)
3
=(3−5a)(3−5a)(3−5a)
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