Question

factorise x cube + 125 y cube​

Answer 1

Answer:

Then this is a sum of cubes and we can apply the sum of cubes formula: a 3 + b 3 = (a + b) (a 2 − a b + b 2 ). Substituting a = x and b = 3 into the formula yields: x 3 + 27 = (x + 3) (x 2 − 3 x + 9).

Step-by-step explanation:

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