Factorise: 60y? - 70y - 30
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Answer:
(2y-3)(3y+1)
Step-by-step explanation:
60y²-70y-30
[dividing it by 10 we'll get]
6y²-7y-3
=6y²-9y+2y-3
=3y(2y-3)+1(2y-3)
=(2y-3)(3y+1)
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