Math, asked by seemarani4631687, 2 months ago

the factorize form of a(a+7)+3(a+7) is

Answers

Answered by savita00552200

0

Answer:

since ×+1 is a factor of the polynomial

p(×)=×2-3=ax+3ax+3a-7

therefore ,by factor theorem p(-1)=0

Answered by induu2345

0

Answer:

a(a+7)+3(a+7)

a2+7a+3a+21

a2+10a+21

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