New York (CNN Business) Xerox is dropping the niceties. It really, really wants to merge with HP, and it has gone hostile.

The copier company said Thursday it will nominate 11 new directors to replace HP's entire board at HP's upcoming shareholder meeting.

Xerox XRX HP HPQ has been attempting a takeover for months, andhas twice rejected Xerox's bids.

HP said Thursday Xerox's proposal "significantly undervalues HP and creates meaningful risk to the detriment of HP shareholders." It has also raised significant concerns about Xerox's business strategy, noting that its revenue fell nearly 10% in 2019.

But Xerox says combining the companies, which are in similar businesses, could save tremendously on costs.

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