Question

From xy- yz + 2zx subtract the sum of 2yx- zx + xy and 3zx- xy + 4yz.​

Answer 1

Step-by-step explanation:

Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). A novel coronavirus (nCoV) is a new strain that has not been previously identified in humans.