Question

3.
Add using horizontal method.
(a) 7x + 3y and - 4x - 2y
(b) 3a - 2b + C + 3 and a + 3b - 20 - 4
(c) a + 2ab + b2 and a - 2ab + b2​

Answer 1

Answer:

a) 7x + 3y and -4x - 2y

Step-by-step explanation:

+7x - 4x and +3y - 2y

+3x + 1y

Answer 2

Answer:

a) 3x + y

b) 4a + b - c - 1

c) 2a2 + 2b2