Answer:
14.03
Step-by-step explanation:
first explain what you need help with specifically then maybe people can help, to bland of a question
the index of 2 is -1
=
i dont know sorry.
Do it yourself ;)
3,6,-2
a+2a+b = 7
2a^2b = -36
a*2a + ab + 2ab = 0
or, a(2a+3b) = 0
so, b = -2a/3
Solve those and you find 3,6,-2
