Question

Solve:

$(2x-3)(x+4)=6$

Answer 1

$(2x-3)(x+4)=6$

or, $2x^2+5x-18=0$

or, $2x^2+9x-4x-18=0$

or, $(2x+9)(x-2)=0$

or, $x=2,-\frac{9}{2}$.