Factorise 8x^3 + 64^3
Answers
Answered by
2
Answer:
262656
Step-by-step explanation:
8³+64³
= (8+64)(8²-8×64+64²)
= 72 (64-512+4096)
= 72 (4160-512)
= 72 × 3648
= 262656
or,
8³ + 64³
= 512 + 262144
= 262656
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