Question

Please help asap What is the sum of the following two polynomials?

(3x2 – 5x + 3) and (-x2 – 3x)

Answer 1

(3x^2 - 5x +3) + (-2x -3x)
=3x^2-5x+3 + (6x^2)
=9x^2-5x+3

Answer 2

2x² - 8x + 3

Explanation:

( 3x² - 5x +3) + (-x² - 3x)

= 3x² - 5x +3 - x² - 3x

= 3x² - x² - 5x - 3x + 3

= 2x² - 8x + 3