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Anonymous
10
Velda Stanton ∙
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It equals a positive 25, because a Negative times a Negative becomes a positive .
Wiki User
5 = -x-5
10=-x or x = -10
No - 5 x 5 x 5 = 125. This is equal to 53 or five cubed. 5 x 5 x 5 x 5 = 625. This is equal to 54 or five to the fourth power.
5 x 17 = 85
If: -x-5 = -2 then x = -3
3 x 5 x 5 x 5 = 375
X=5, x+6, 5+6=11