Question

factorise
144 - a^ 8​

Answer 1

144 - a⁸

(12)² - (a⁴)²

a² - b² = (a + b)(a - b)

= (12 + a⁴)(12 - a⁴)

hope it helps..

Answer 2

Answer:

$144 - {a}^{8} \\ \\ \\ \\ = {12}^{2} - { ({a}^{4}) }^{2} \\ \\ \\ \\ = (12 - {a}^{4} )(12 + {a}^{4} )$