Сократите дробь 3(b+7)^4/8(b+7)^6

Question

Сократите дробь
3(b+7)^4/8(b+7)^6

Answer 1

( 3( b + 7 )^4 ) / ( 8( b + 7 )^6 ) = 3 / ( 8( b + 7 )^2 ) = 3 / ( 8( b^2 + 14b + 49 ) = 3 / ( 8b^2 + 112b + 392 )