Ineed quick and the correct answer

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

[tex]5 \times1 \frac{12}{13} [/tex] me