please helpp!

What is the solution to (x - 5)(2x + 1)(x - 7) > 0? Please show all steps!

Hello Guest!

$f(x)=(x - 5)(2x + 1)(x - 7) > 0$

$\large \{$ $if\ (x - 5)(2x + 1)(x - 7) = 0$  $then$  $x\in\{-0.5;\ 5;\ 7\}$  $\large \}$

 $if\ f(x)>0$  $then$   $x\in\mathbb{R}$  |-0.5 < x < 5 and x > 7

  !