Question

Factorise the following expressions 49c²-25d²
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Answer 1

Answer:

$factorise \: 49 {c}^{2} - 25 {d}^{2}$

Step-by-step explanation:

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Answer 2

Answer:

Solution :-

using Formula :-

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│ ( a-b)²= a²+ b² - 2ab │

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⇀(7c)² + 2 × 7c × 5d - (5d)²