Question

find the sum using column method 3x³ - 5x² + 8x + 10, 15x³ - 6x² - 23 and 9x² - 4x + 15​

Answer 1

Step-by-step explanation:

You can add polynomials either in vertical form or in horizontal form.

Consider the addition of two polynomials :

(5x2 + 4x + 1) + (2x2 + 5x + 2)

In vertical form, align the like terms and add as shown below.