Difference of squares

If the difference between two numbers is 3 and the difference of their squares is 39, then find the larger number.

Correct answer:

a =  8

Step-by-step explanation:

ab=3 a2b2 = 39  a2(a3)2=39  6a=48  a=648=8  a=8   Verifying Solution:  b=a3=83=5  d2=a2b2=8252=39



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