<PRE><B>Question 1063643</B>
find a pair of factors of 195 that differ by 2.
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The long way around:
x = breadth
x+2 = length
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x*(x+2)=195
x^2 + 2x - 195 = 0
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At this point, you find a pair a factors of 195 that differ by 2.
Why do all that?</PRE>