Math, asked by astha65774, 7 months ago

2. 3X +212)
23. x(x + 4) + 3x (2x2 - 1) + 4x + 4

Answers

Answered by mahi3727

2

Step-by-step explanation:

We have

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

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

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