'Array Formula in just one cell Google Sheets

I have a formula that do almost what I need. I'm trying to get a list of values with a condition depending about one value, is objetive 1 is equal or over to 80 show me the list of objetives equal or over 80. My formula is this one :

=ARRAYFORMULA(IF(('Product Prioritization Matrix'!C7:C >= 80), 'Product Prioritization Matrix'!B7:B,""))

My problem comes when I try to put this in just one cell in the last image will show what I need visualy.

The next images will show the sheets:

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My formula

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Expected result

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Help please



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