express in factor form : 125 b³ - 8a⁶
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Answer:
125b_3 - 8a_3=(5b-2a)(25b_2+10ab+4a_2)
[Pronounce _ as to the power of]
Step-by-step explanation:
125b_3 - 8a_3 [Pronounce _ as to the power of]
=(5b)_3-(2a)_3
=(5b-2a){(5b)_2+5b*2a+(2a)_2}
=(5b-2a)(25b_2+10ab+4a_2)
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