Question

Multiply (2.5l-0.5m)and (2.5l+0.5m)

Answer 1

$\huge{\boxed{\mathcal\pink{\fcolorbox{red}{white}{Solution:-}}}}$

(2.5l-0.5m)(2.5l-1.5m)

= (2.5l)² - (1.5m)²

= 6.25l²-2.25m²

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Answer 2

Answer:

2.5l (2.5l+0.5m) - 0.5m(2.5l+0.5m)

6.25l² + 1.25lm - 1.25ml - 0.25m²

6.25l² - 0.25m²