1.

Factorise by using identities. 64 - 144​

Answer»

ong>Answer:

- 80

Step-by-step EXPLANATION:

64 - 144​

(8)² - (12)²

a² - b² = (a + b)(a - b)

(8 + 12)(8 - 12)

(20)(-4)

= - 80



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