1.

Subtract. 7x—2a³ from a³+9x​

Answer» ONG>Answer:

Add the following:

(i) 3x and 7X

(ii) −5XY and 9xy

ANSWER:

We have

(i) 3x + 7x = (3 + 7)X = 10x

(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy



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