Asked by Timothy

Given that a^2-b^2=0280 and a+b = 20, find the value of a-b.
Answered by Timothy
Correction a^2-b^2 = *-280*
Answered by Reiny
well,
a^2 - b^2 = (a+b)(a-b)
-280 = 20(a-b)

finish it up
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