SOLUTION: If x is a whole number and 437 = (21 + x)(21 - x), then x =

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Question 935045: If x is a whole number and 437 = (21 + x)(21 - x), then x =
Found 2 solutions by MathLover1, brysca:
Answer by MathLover1(20849) About Me  (Show Source):
Answer by brysca(112) About Me  (Show Source):
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solution posted below
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hope this helps!