Respuesta :

[tex] \: \: \: \: \: [/tex]

[tex] = \: \: 10 {a}^{4} + 10 {a}^{3} - 10 {a}^{2} [/tex]

refer to the attachment for explanation

hope it helps ~

Ver imagen XxitzmeyanyanxX
Ok done. Thank to me :>
Ver imagen silirobert15