Question

Let f(x)=x^2-5x-36.

Enter the x-intercepts of the quadratic function in the boxes.

x= and x=

please help

Answer 1

9 and -4

Explanation:

Find two numbers that multiply to be -36 and add to be -5.

That is -9 and 4.

So the factored form of x^2-5x-36 is (x-9)(x+4)

So the x-intercepts are 9 and -4