Question

(49a^2-64b^2)factorise
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Answer 1

Step-by-step explanation:

(49a² - 64b²)

(7a)² - ( 8b)²

( 7a + 8b) ( 7a - 8b)

Answer 2

Answer:

$49 {a}^{2} - 64 {b}^{2} \\ = {(7a)}^{2} - {(8b)}^{2} \\ = (7a + 8b)(7a - 8b)$

Step-by-step explanation:

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