2. Polynomials
easy

મધ્યમ પદનું વિભાજન કરીને $10 x^{2}-x-24$ ના અવયવ પાડો.

Option A
Option B
Option C
Option D

Solution

$10 x^{2}-x-24$

$=10 x^{2}+15 x-16 x-24$

$=5 x(2 x+3)-8(2 x+3)$

$=(2 x+3)(5 x-8)$

$10 \times(-24)=-240$

$(-240)=15 \times(-16)$

$15+(-16)=-1$

Standard 9
Mathematics

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