Question

Question 1. Add the following
(a) 3x^2y, -5x^2y, -x^2y
(b) a + b - 3, b + 2a - 1

Answer 1

Answer:

$3 {x}^{2} y + ( - 5 \ {x}^{2} y) + ( - {x}^{2} y) \\ = - 3 {x}^{2} y$

b) a+b-3 +(b+2a-1)

=3a+2b-4

hope you get it!