Math, asked by abiralthapa, 9 months ago

7 (3x - 1)² – (3x - 2) (3x + 1)​

Answers

Answered by tahseen619
4

Answer:

3 - 3x

Step-by-step explanation:

(3x - 1) ^{2} - ( 3x - 2)(3x + 1) \\ \\ (9 {x}^{2} - 2.3x.1 + 1 ) - (9 {x}^{2} + 3x - 6x - 2) \\ \\ 9 {x}^{2} - 6x + 1 - 9 {x}^{2} + 3x + 2 \\ \\ 3 - 3x

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