Question

5. Efectuar: A = (y + 3)2 + (y - 3)2-(y - 1)(y + 1) + (y + 3)(3-y​

Answer 1

Respuesta:

A=-2y²+4y+10

Explicación paso a paso:

A = (y + 3)2 + (y - 3)2-(y - 1)(y + 1) + (y + 3)(3-y​)

A=2y+6+2y-6-(y²+y-y-1)+(3y-y²+9-3y)

A=4y-y²+1-y²+9

A=-2y²+4y+10

Espero te sirva.... жDaya Princeж