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উৎপাদকে বিশ্লেষণ কর: $14(x+z)^2-29(x+z)$$(x+1)$$-15(x+1)^2$

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$14(x+z)^2-29(x+z)(x+1)$$-15(x+1)^2$

ধরি,
$(x+z)=p$ এবং $(x+1)=q$

তাহলে প্রদত্ত রাশি দাঁড়ায়,
$=14p^2-29pq$$-15q^2$

$=14p^2-35pq+6pq-15q^2$

$=7p(2p-5q)+3q(2p-5q)$

$=(2p-5q)(7p+3q)$

$=\{2(x+z)-5(x+1)\}$$\{7(x+z)+3(x+1)\}$
[ মান বসিয়ে ]

$=(2x+2z-5x-5)$$(7x+7z+3x+3)$

$=(2z-3x-5)(10x+7z+3)$ [Answer]

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