Question:উৎপাদকে বিশ্লেষণ কর: `(x + 2) (x + 3) (x + 4) (x + 5) - 48` 

Answer `(x + 2) (x + 3) (x + 4) (x + 5) - 48` `= (x + 2) (x + 5) (x + 3) (x + 4) - 48` `= (x^2 + 2x + 5x + 10) (x^2 + 3x + 4x + 12) - 48` `= (x^2 + 7x + 10) (x^2 + 7x + 12) - 48` ধরি, `x^2 + 7x + 10 = a` :.প্রদত্ত রাশি, `= x^2 + 7x + 12 = x^2 + 7x + 10 + 2 = a + 2` `= a(a + 2) - 48` `= a^2 + 2a - 48` `= a^2 + 8a - 6a - 48` `= a(a + 8) - 6(a + 8)` `= (a + 8) (a - 6)` `= (x^2 + 7x + 10 + 8) (x^2 + 7x + 10 - 6)` [a এর মান বসিয়ে] `= (x^2 + 7x + 18) (x^2 + 7x + 4)` `= (x^2 + 7x + 4) (x^2 + 7x + 18)` (Ans) 

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utpadoke bisholeshn karo: `(x + 2) (x + 3) (x + 4) (x + 5) - 48`
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