Question

p(x)=x²-15+56 find zero​

Answer 1

Step-by-step explanation:

x²-15+56

x²-8x-7x+56

x(x-8)-7(x-8)

(x-8)(x-7)

x=8 or x=7

Answer 2

Step-by-step explanation:

= x²-8x-7x+56

= x(x-8)-7(x-8)

= (x-8)(x-7)

now brackets with zero

so : x=8 , x=7

Hope this will help you!