Question

$8 a^{4} -6 a^{4}= \\ 30 x^{6}-25 x^{6}= \\ x^{5}-21 x^{5}+8 x^{5}$ Deus te abençoei por me ajudar

Answer 1

Olá

$8a^{4} -6a^{4} = 2a^{4}\\ \\ 30x^{6}-25x^{6} =5 x^{6} \\ \\ x^{5}-21 x^{5}+8 x^{5}=-12 x^{5}$