Question

How do i solve this ?(x+3)(x-5)=

Answer 1

`(x+3)(x-5)=x^2-5x+3x-15=x^2-2x-15`

Answer 2

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