Question

(a2-4) (a+b)+5 saral kre​

Answer 1

(a2-4) (a+b)+5

= a^(3) + a^(2)b - 4a - 4b +5

= a^(3) + a^(2)b - 4(a+b) +5

Hope this will help....

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Answer 2

Answer:

=(a*2-4)*(a+b)+5

=(2a-4)*(a+b)+5

= 2a-4*a+b+5 [removing brackets]

= 3a-20*b