Question

3 x square - 4 x minus minus 7 splitting the middle term

Answer 1

hi here is the solution
$3x ^{2} - 4x - 7 \\ = > 3x^{2} - 7x + 3x - 7 \\ = > x(3x - 7) + (3x - 7) \\ = > (x + 1)(3x - 7)$