Question 128740
The question is incomplete.
What is the power of 'b'?



a= -2, b= 4, c=3
Since b = 2 (as you mentioned in the mail), the expression is {{{E = 2b^2 - 4ac + bc}}}.
Putting the values of a, b and c
{{{E = 2x4^2 - 4(-2)3 + 4x3}}}
{{{E = 32 + 24 + 12}}}
{{{E = 68}}}