Question

X x X -4X -13=0 HELP PLEASE

Answer 1

come on i can solve this problem in my sleep

Answer 2

-4x-13=0

-4x=13

divide both sides by -4..then x= -4/13

Answer 3

BUT XxX ??\

Answer 4

....you're talking about x times x?...it would be x^2
x^2-4x=13

Answer 5

Quadratic Equation:
\[ax^{2}+bx+c=0\]
\[x=\frac{-b\pm\sqrt{b^{2}-4ac}}{2a}\]
\[x^2-4x-13=0\]
\[x=\frac{4\pm\sqrt{16-52}}{2}\]
\[x=\frac{4\pm\sqrt{-36}}{2}\]
\[x=\frac{4\pm6i}{2}\]
\[x=2\pm3i\]