Question

evaluate using identity
(99)^3​

Answer 1

(100-1)^3

100^3-1^3+3×100×1(100-1)

Answer 2

Answer:

99^3 = ( 100 - 1 ) ^ 3

Step-by-step explanation:

use the identity (a - b )^ 3

a^3 - b ^3 - 3a^2b + 3ab^2

1000000 - 1 - 30000 + 300

970299

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