Math, asked by BANGTANARMYGIRL07, 1 day ago

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Answered by anonymous1763
2

Answer:

Q 5) a-b + ab + b + c - bc +c - a - ac

      ab + 2c -bc -ac

(a) 2c + ab - ac - bc ,will be correct answer of 5th

Q6) 6a^2 - 7b +5ab  × (2ab)

   b) 12a^3b - 14ab^2 + 10a^2b^2 ,will be correct option

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Step-by-step explanation:

Answered by monicajain150
0

Answer:

5 - (a)

6 - ( b)

Step-by-step explanation:

5th sum

= a - b + ab + b + c - bc+c-a-ac

= a - a - b +b +c+c +ab- ac-bc

= 0 -0 + 2c +ab - ac - bc

Answer : 2c +ab-ac-bc

6th sum

= 2ab ( 6a^2 - 7b + 5 ab )

= (2×6 ) (a^2 ) b - ( 2× 7 ) a ( b ) + ( 2× 5 ) ( a ) ( b )

Answer : 12 a^3 b - 14 ab^2 + 10a^2 b^2

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