Question

OK GUYS PLEASE HELP: USE THE INFORMATION PROVIDED TO WRITE THE VERTEX FORM EQUATION OF EACH PARABOLA Y=-12X^2+192X-769 EXPLAIN PLEASE THIS IS A GRADE
2)SOLVE EACH EQUATION BY COMPLETING THE SQUARE : N^2+16N-74=-3
3)SOLVE EACH EQUATION BY FACTORING: 6N^2+48N+90=0

Answer 1

The vertex for the first one is: (8,-1)
the answer for the second one is: n = -8 + with a - at the bottom square root of 151
the answer for the third question is: n = (-3,-5) 

hope i helped please thank, rate, and give me best anyswer if you're on a desktop thank you :)