Question

simplify 3 (40)^3 - 4 (320)^3​

Answer 1

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3 × 40 × 40 × 40 - 4 × 320 × 320 × 320

= 3 × 6400 - 4 × 32768

= 19200 - 131072

= - 111872

Answer 2

Answer:

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