Question

Люди добрые помогите ради бога

Answer 1

9у²+6у+1:
(3у+1)×(3у+1)
${um}^{9} + {uy}^{9} - {ym}^{9} - {y}^{10} \ (u - y)( {m}^{9} + {y}^{9} )$

Answer 2

Пасиб

Answer 3

не за что

Answer 4

1)9y^2+6y+1=(3y+1)^2=(3y+1)(3y+1) ;2)um^9+uy^9-ym^9-y^10=u (m^9+y^9)-y (m^9+y^9)=(u-y)(m^9+y^9)