Question

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

Answer 1

Answer:

Step-by-step explanation:

(a) 3x^2y + (- 5x^2y) + (- x^2y)

 = 3x^2y - 5x^2y - 1x^2y

 = -3x^2y

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

=    a + 2a + b + b - 3 - 1

=     3a + 2b - 4

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