Question

Ayuda ;
$5a {}^{2} - 2bc$
...

$(4 - x {}^{4} )(4 + \times {}^{4} )$
...
$(2a + 3) {}^{2} =$
Ayuda solo esas 3 ​

Answer 1

Respuesta:

Operación 2➟$16-x^{8}$

$(4-x^{4}) (4+x^{4} )=4^{2} -(x^{4} )^{2}$

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

$16-x^{8}$

Operación 3➟$4a^{2} +12a+9$