Question

Find the factors of a⁶-2a³-15 ​

Answer 1

Answer:

$( {a}^{3} - 5)( {a}^{3} + 3)$

Step-by-step explanation:

${a}^{6} - 2 {a}^{3} - 15$

${a}^{6} - 5 {a}^{3} + 3 {a}^{3} - 15$

${a}^{3} ( {a}^{3} - 5) + 3( {a}^{3} - 5)$

Taking common terms out,

$( {a}^{3} - 5)( {a}^{3} + 3)$

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