simplify using identities (14 square - 4 square ) (20 square -2 square)
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Answer:
18 * 10 * 22 * 18
Step-by-step explanation:
We will use the identity of
(a^2-b^2) = (a+b)(a-b)
therefore it will become
(14+4) (14-4) (20+2) (20-2)
18 * 10 * 22 * 18
= 71280
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