1.

2x³+x²_2x_1÷x+1,solve​

Answer»

ANSWER:

(2X + 1)(X - 1)

Step-by-step EXPLANATION:

2 {x}^{3}  +  {x}^{2}  - 2x - 1 \:  \:  \div  \:  \: x + 1 \\  \frac{2 {x}^{3}  +  {x}^{2}  - 2x - 1}{x + 1}  \\  \frac{ {x}^{2}(2x + 1) - 1(2x + 1) }{x + 1} \\   \frac{(2x + 1)( {x}^{2}  - 1)}{x + 1 }  \\  \frac{(2x + 1)( {x}^{2}  -  {1}^{2}) }{x + 1}  \\  \frac{(2x + 1)(x + 1)(x - 1)}{x + 1 }  \\ (2x + 1)(x - 1)



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