Question

help me in this question​

Answer 1

Step-by-step explanation:

5a^2b^2c-15ab^2c^2+45a^2b^2c^2

factor..taking 5ab^2c common from 5a^2b^2c

5ab^2c(a^2)

taking 5ab^2c common from 15ab^2c^2

5ab^2c(3c)

taking out 5ab^2c from 45a^2b^2c^2

5ab^2c(7ac)

5ab^2c(a^2-3c+7ac)