Question

Can you help me factor the quadratic equation x^2-2x-15

Answer 1

We can factorize the expression

`x^2-2x-15`

finding two number that the result by adding them is -2 and by multiplying the same two number obtain -15

-5+3=-2

(-5)*(3)=-15

the numbers are -5 and 3

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