Question

Factorise 8a^2-32 using identities

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$8 {a}^{2} - 32$

$8( {a}^{2} - 4)$

Using the identity

${x}^{2} - {y}^{2} = (x + y)(x - y)$

$8(a + 2)(a - 2)$

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