Question

what is (x-4) (x+5\6)

Answer 1

$(x - 4)( \frac{x + 5}{6} ) \\ = \frac{(x - 4)(x + 5)}{6} \\ = \frac{x(x) +x(5) + ( - 4)(x) + ( - 4)(5)}{6} \\ = \frac{ {x}^{2} + 5x + ( - 4x) + ( - 20) }{6} \\ = \frac{ {x}^{2} + 5x - 4x - 20 }{6} \\ = \frac{ {x}^{2} + x - 20 }{6}$