Question

2x^2+12x+3=0

Answer 1

-0.26
-5.74

Answer 2

has to be in exact form I have {-12pm sqrt{120}/4

Answer 3

crrct.

Answer 4

correct answers indeed

Answer 5

x=(-3)/2 & x=3

Answer 6

the solution for a quadratic equation ax^2+bx+c=0,is,-b\[-b\pm \sqrt{b ^{2}-4ac}\div2a\].applying the same to the given equation we get the solution as,
\[-6+\sqrt{30}/2 \] and \[-6-\sqrt{30}/2 \]