please help

multiply.

(√6+√7)(√6-√7)

Thanks

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please help

multiply.

(√6+√7)(√6-√7)

Thanks

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## Answers (1)

(√6+√7)(√6-√7)

this is a 'difference of squares' factored

you need to learn to spot them

they pop up EVERYWHERE

(6-7) = (√6+√7)(√6-√7)

-1