Question 323975
{{{y=a(x-7)(x+2/3)}}}
where {{{a}}} is any non-zero constant,
{{{y=a(x^2+(2/3)x-7x-14/3)}}}
{{{y=a(x^2+(2/3-21/3)x-14/3)}}}
{{{y=a(x^2-(19/3)x-14/3)}}}
Let {{{a=3}}},
{{{y=3x^2-19x-14}}}
b) is the correct answer.