Question

Factorisation of A^3 -12a - 16

Answer 1

Answer:

$a ^{3} - 12a - 16 \\ {a}^{2}(a + 2) - 2 {a}^{2} - 12a - 16 \\ {a}^{2} (a + 2) - 2a(a + 2) - 8a - 16 \\ {a}^{2}(a + 2) - 2a(a + 2) - 8(a + 2) \\ (a + 2)( {a}^{2} - 2a - 8) \\ (a + 2)(a + 2)(a - 4) \\ anssssssssssssssssssssssssssssssssss$

Step-by-step explanation:

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