Hello can you me posted picture of question

To solve the problem shown in the figure attached above, yot must follow the proccedure below:

 1. You must sum the terms  of the polynomials given in the problem that have equal exponents.

 2. Keeping this on mind you have that the correct answer is the option c:, which is shown below:

 c)14x^7+11x^5-3x+10

Idon’t exactly understand but i think dbc=rst

The last one bc that's a calendar