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Which equation has both 4 and -4 as possible values

User Methodin
by
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1 Answer

3 votes

Answer:

x² - 16 = 0

Also,

|x| = 4

Explanation:

(x-4)(x+4) = 0

x² - 16 = 0

|x| = 4

x = 4, -4

User Gophermofur
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3.9k points