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February 1, 2015

February 1, 2015

Posted by **Tim** on Tuesday, September 10, 2013 at 8:21pm.

- Algebra2 -
**Steve**, Tuesday, September 10, 2013 at 9:12pm4a = 4b+12

a^2 = b^2+39

(b+3)^2 = b^2+39

b^2+6b+9 = b^2+39

6b=30

b=5

so, a=8

check:

4*8 = 32 = 4*5+12

8^2 = 64 = 5^2+39

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