Question

Use the discriminant to determine the number and type of solutions for the given equation.... 36x2 + 12x = 0

Answer 1

\[36x ^{2}+12x=0\]
\[3x ^{2}+x=0\]
\[\implies D=1^{2}-4(3)(0)\]
D=1
i.e. D>0
hence real solutions
the solutions are x=0,-1/3