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90 times x?
90x (for anything more specific, you'd hve to know what x equals).
What number must you add to complete the square x2 plus 6x15?
Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "equals", "squared", "cubed" etc.I expect the second term is NOT 6x15in which case, there is an arithmetic symbol missing between 6x and 15.x2+ 6x + 9 is the completed square so you will need to work out what needs to be added: depending on -15 or +15.Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "equals", "squared", "cubed" etc.I expect the second term is NOT 6x15in which case, there is an arithmetic symbol missing between 6x and 15.x2+ 6x + 9 is the completed square so you will need to work out what needs to be added: depending on -15 or +15.Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "equals", "squared", "cubed" etc.I expect the second term is NOT 6x15in which case, there is an arithmetic symbol missing between 6x and 15.x2+ 6x + 9 is the completed square so you will need to work out what needs to be added: depending on -15 or +15.Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "equals", "squared", "cubed" etc.I expect the second term is NOT 6x15in which case, there is an arithmetic symbol missing between 6x and 15.x2+ 6x + 9 is the completed square so you will need to work out what needs to be added: depending on -15 or +15.
