Step-by-step explanation:
(lx - my)² - (mx + ly)²
= (la -my-mx-ly) (lx my+mx + ly)
= ((xy)-m(x + y)) ((x + y)+m(x − y))
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Verified answer
Step-by-step explanation:
(lx - my)² - (mx + ly)²
= (la -my-mx-ly) (lx my+mx + ly)
= ((xy)-m(x + y)) ((x + y)+m(x − y))