Question 1038099
( c-8d) (c + 8d) = c^2 - (8d)^2 = c^2 - 64d^2
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(5c+ 2) *2 = 10c + 4
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If you meant (5c+2)^2 the answer is 25c^2 + 20c + 4
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Cheers,
Stan H.
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