Respuesta :

melgal12

Answer:

y² - 14yz - 9

Step-by-step explanation:

-5(yz + 2) - 9yz + 1 + y²

-5yz - 10 - 9yz + 1 + y²

-14yz - 9 + y² (COLLECT LIKE TERMS)

y² -14yz - 9 (REARRANGE)

wearygirl2304

Answer:

y^2 - 14yz - 9

Step-by-step explanation:

-5(yz+2) - 9yz + 1 + y^2

-5yz -10 - 9yz +1 +y^2

y^2 - 14yz - 9