Question 942574
How would I multiply (4+a)^2? 
This is what I have 16+a. 
Am I on the correct path?
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(4+a)(4+a) = 4(4+a)+a(4+a) = 16 + 4a + 4a + a^2 = a^2 + 8a + 16
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Cheers,
Stan H.
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