(5x^4y^7)(6x^2y)= ?I don't know how to do this I need step by step​

y7

Step-by-step explanation:

Step-by-step explanation:

Group like terms:

(5x⁴y⁷)(6x²y) = 5·6x⁴x²y⁷y

= 30x⁴⁺²y⁷⁺¹

= 30x⁶y⁸

something over 10 so ? /10

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.