Answer:
X=-2 x=1 x=3 and x=-1
Step-by-step explanation:
When the problem asks you to find the zeros all they are asking for is the solution so to solve all you need to do is set each individual piece equal to zero.
20 and 28 can be divided by 4, so just take the 4 out so the answer should be 4(5x - 7)
3? i think so i don’t know if it’s right
