﻿ (x+9) (x-9) Step-by-step explanation: This expression is in the form a2 − b2, so use the difference of squares rule to factor the expression:  , 17.06.2020 20:57, abenjamin489

# (x+9) (x-9) Step-by-step explanation: This expression is in the form a2 − b2, so use the difference of squares rule to factor the expression: x^2-81=x^2-9 THIS IS the RIGHT ANSWER AND I PROOF.  Answers: 3  ### Other questions on the subject: Mathematics Mathematics, 21.06.2019 13:00, thebestandrew922
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(x+9) (x-9) Step-by-step explanation: This expression is in the form a2 − b2, so use the difference...

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