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Simplify (x-6)(-x-6)
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4 votes
Simplify (x-6)(-x-6)

User Kevin Wenger
by
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1 Answer

4 votes

Answer:

36 - x²

Explanation:

(x-6)(-x-6) = (-1)(x-6)(x+6) = (-1)(x² - 36) = 36 - x²

this is based on the "well known" (a+b)(a-b) = a²-b²

User Petrus
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