Question

Find the zeros of the function.
y=(x+4)(x-5)
If possible tell me the steps too, not just the answer. Thanks! :)
*Best answer gets medal*

Answer 1

(x+4)(x-5)=0 this is true if x=-4 and x=5 so at values x=-4 and x=5 function is 0.

Answer 2

Zeros are the values of x that make this function = 0
(x+4) = 0 f x=-4
(x-5) = 0 if x = 5.

zero times anything is zero.

Answer 3

I don't get it... My teacher's example showed foiling.

Answer 4

"foiling"? These have to be the zeros: -4 and +5

Answer 5

Okay, Thank you

Answer 6

You are quite welcome.