Question

Add: (-4x3 + 2y) + -9x3

Answer 1

Answer:

−13x^3+2y

Step-by-step explanation:

−4x3+2y−9x3

=−4x3+2y+−9x3

=−4x3+2y+−9x3

=(−4x3+−9x3)+(2y)

=−13x3+2y

Answer 2

Answer:

-13x³ + 2y

Step-by-step explanation:

-4x³ + 2y + -9x³

-4x³ + 2y - 9x³

-4x³ - 9x³ + 2y

-13x³ + 2y