(7) উৎপাদকত প্রকাশ কৰি হৰণফল নির্ণয় কৰা।
() (4u? + 25u - 21) : (u + 7)
(i) (m-14m –32)=(m+2)
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Answer:
1)(4u²+25u-21)÷(u+7)
= 4u²+25u-21/u+7
=4u²+28u-3u-21/u+7
4u(u+7)-3(u+7)/u+7
=(4u-3)(u+7)/(u+7)
=4u-3
Step-by-step explanation:
2)) (m²-14m –32)÷(m+2)
=m²-14m-32/m+2
=m²-16m+2m-32/m+2
=m(m-16)+2(m-16)/m+2
=(m-16)(m+2)/(m+2)
=m-16
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