factorise the polynomials
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Step-by-step explanation:
=14(3y-5z)³+7(3y-5z)²
={7(3y-5z)²}{2(3y-5z) +7}
={7(9y²+25z²-30zy)}{6y-10z+7}
=(63y²+175z²-210zy) (6y-10z+7)
I hope this much will help you
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