Expand the following product. (10a + b) (10c + d) - Vidyadip

Question

Expand the following product.
(10a + b) (10c + d)

✓

Answer

(10 a + b) (10c + d)
= (10a + b)10c + (10 a + b)d
= 100ac + 10bc + 10ad + bd.

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