Factor the expression over the complex numbers. x^2+72

Step-by-step explanation:

To get the factors , first we solve the given expression for x

Subtract 72 from both sides

Take square root on both sides

square root (-1) is 'i'

and

Write the x values in the parenthesis to get the factor form

When 'a' is a x value then (x-a) is a factor

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

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