If you have a HubSpot Legacy Marketing Hub Basic accounts, you can build tracking URLs to track Google Ads in HubSpot without the ads tool.
Please note: for all other subscriptions such as Marketing Hub Starter, learn how to connect your Google Ads account to HubSpot and analyze your ad campaigns.
To build a final URL for your Google ad:
Use this URL as your final URL and HubSpot will bucket visits from the Google ad's destination URL under Paid search in your traffic analytics.