Respuesta :

konrad509

[tex](x+3)(x-5)=x^2-5x+3x-15=x^2-2x-15[/tex]

devishri1977

Answer:

Step-by-step explanation:

Use FOIL method

(x + 3)(x - 5) = x*x  + x *(-5)  + 3*x +  3*(-5)

                    = x² - 5x  +3x - 15  {add like terms}

                    = x² - 2x -15