Question

What should be subtracted from 20x3 + 7x + 1 to get 2x

3 – 7x + 10?

Answer 1

Answer:

Let x should be subtracted

20x3+7x+1 - x = 2x3-7x+10

x = 20x3+7x+1 - 2x3+7x-10

x= 18x3+14x-9