Question

factorise a3 - 0.216

Answer 1

Let see your answer !!!!

$a ^{3} - 0.216 \\ \\ = a ^{3} - (0.6) ^{3} \\ \\ = (a - 0.6)(a ^{2} + a \times 0.6 + 0.6 ^{2} ) \\ \\ = (a - 0.6)(a ^{2} + 0.6a + 0.36)$


$we \: applied \: this \: identity \\ \\ a ^{3} - b ^{3} = (a - b)(a ^{2} + ab + b ^{2})$





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Answer 2

Answer:

hope it helps

Step-by-step explanation:

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