Question

(7-9x⁴)² porfavor ayudenme​

Answer 1

Respuesta:

//HOLA//AQUÍ TE DOY MI RESPUESTA

$(7 - 9x {}^{4} ) {}^{2}$

$(7 - 9x {}^{4} ) \times (7 - 9x {}^{4} )$

$49 - 63x {}^{4} - 63x {}^{4} + 81x {}^{8}$

$49 - 126x {}^{4} + 81x {}^{8}$

SOLUCIÓN

$81x {}^{8} - 126x {}^{4} + 49$