Question

What is the sum of the polynomials (-x^2+9)+(-3x^2-11x+4)

Answer 1

You can just add the terms:

(-x^2+9)+(-3x^2-11x+4) = -4x² - 11x + 13

Answer 2

Answer:

$-4x^{2} -11x+13$

Step-by-step explanation:

Step to add the integers.

When we add two positive integers,we add integers  and +sign is used.

When we dd two positive integers, we add subtract integers, and greater integer  sign is used.

When we add two negative integer, we add integers  and -sign is used.

=($-x^{2} +9^{}$)+($-3x^{2} -11x^{} +4^{}$)  

=$-x^{2} +9-3x^{2} -11x+4$

=$-x^{2} -3x^{2} -11x+9+4$

=$-4x^{2} -11x+9+4$

=$-4x^{2} -11x+13$