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X²- 49=0

what is the answer is for my exam? Thanks to the one who helps me has 10 points​

User Dan Def
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2 Answers

0 votes
Factor the expression
(x - 7)(x + 7) = 0
Zero product property
Solution: x = 7, x = -7
User Actual
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0 votes

Explanation:

x² - 49 = 0

or, x² - (7²) = 0

or, ( x + 7 ) ( x - 7 ) = 0

hope this answer will help you.

User James Bruckner
by
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