Answer:
9yz(5y+4z+2)
Step-by-step explanation:
I would first factor the whole polynomial by 9 since that's the LCM of the coefficients, giving us 9(5y^2z+4yz^2+2yz)
Then I would factor out yz as that's the LCM of the terms, giving us:
9yz(5y+4z+2)
And that's our answer.