Question

x^2+x-20

Answer 1

need to factor?

Answer 2

yes

Answer 3

right, this is in the form Ax^2 + Bx + C
multiply A*C = 1*-20 (these are the coefficient of x^2 and the value of C)

Answer 4

A*C=-20 now you need two numbers that the product is -20 and the sum is equal to B, in this case is the coefficient of x, wich is 1