Question

factorise the following

$a \: \frac{25}{4} x \: - \: \frac{y}{9}$

b. 8x³ + y³ + 27z³ – 18xy

c. 4a² - 9b² - 2a - 3b

d. [a¹² × y⁴] - [a⁴ × y¹²]
​

Answer 1

Here is your:

But I don’t understand last part so ask somebody else.

I am only done with part a,b,c.

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