Answer:
12. (4, 7)
13. (5, -1)
Step-by-step explanation:
Rewrite in vertex form and use this form to find the vertex (h, k).
49767269 × 327686000 - 1029 +
= 16308037309534000 - 1029 +
= 16308037309532972 +
=
15÷39
I hope it will help you