Respuesta :

Wait I think it's 9x-3.. Sorry...

faizu
=>(4x - 3) (x + 5) =>(4x × x )+( 4x × 5) - (3 × x ) -( 3 × 5) =>4x^2 + 20x -3x - 15 =>4x^2 + 17x -15 Hope it helps!!!