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Factor completely . 121 - x ^ 2
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1 vote
Factor completely . 121 - x ^ 2

User Gal Rom
by
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1 Answer

1 vote

Answer: Since both terms are perfect squares, factor using the difference of squares formula,

a 2 − b 2 = ( a + b ) ( a − b) where a = 11 and b = x . ( 11+x) (11-x)

User J Seabolt
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