If xy=0 assume that x and y=0
so
(2x-8)(7x+5)=0
assume
2x-8=0 and 7x+5=0
solve each
2x-8=0
2x=8
x=4
7x+5=0
7x=-5
x=-5/7
so x=-5/7 or 4
Answer:
42.5 and i'm pretty good
Step-by-step explanation:
how r u doing
90-5=B/2=x
The answer is f(x)=x²+2x when evaluated with -3 gives you the value of 3
