Math, asked by custombihari, 3 months ago

(7) উৎপাদকত প্রকাশ কৰি হৰণফল নির্ণয় কৰা।
() (4u? + 25u - 21) : (u + 7)
(i) (m-14m –32)=(m+2)​

Answers

Answered by sneha820
0

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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