Question

add the following using horizontal method :
a) -5a2 + 7a2 - 3a2 + 9a
b) 2x2y2 - 7x2y2 + 9x2y2 - 11x2y2 ​

Answer 1

Answer:

a) 8a^2

b) -7x^2y^2

c) 10pq

Step-by-step explanation:

For Explanation, Refer to the Attachment.

I hope you understand.

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