Question

25/4x^2-y^2/9. factorise
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Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

$\huge\star\underline{\orange{❥︎a}\mathfrak\blue{n}\mathfrak\purple{S}\mathbb\pink{wer}}\star\:$

$\frac{25}{4}x^{2} – \frac{y^{2}}{9}</p><p>=\frac{25x^{2}}{4}-\frac{y^{2}}{9}</p><p>$

Expand using the formula

$a^{2}-b^{2}=(a-b)(a+b)$

Consider

• a = 5/2x

• b = y/3

$(\frac{5x}{2})^{2} – (\frac{y}{3})^{2} \\ = ((\frac{5}{2})x -\frac{y}{3})((\frac{5}{2})x+\frac{y}{3})$