factories : 27y^3+125z^3
answer :(3y+5z)(9y^2+25z^2-15yz)
I need explaination
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Step-by-step explanation:
27y³+125z³
(3y)³+(5z)³
(3y+5z) { (3y)²-3y.5z+(5z)²}
(3y+5z)(9y²-15yz+25z²)
Use formula= a³+b³
=(a+b) (a²-ab+b²)
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