Determine g(x+a) first:
g(x+a)= 4(x+a)2-5(x+a)-5 = 4(x2+2ax+a2)-5x-5a-5=4x2+8ax+4a2-5x-5a-5
Now,
g(x+a)-g(x) = 4x2+8ax+4a2-5x-5a-5 - (4x2-5x-5)
= 8ax+4a2-5a
Lynn M.
asked 10/18/17
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