Math, asked by mridul691, 10 months ago

x ^3+ 2 x^2- x + 2 ​

Answers

Answered by RagaviRagavendra
0

Heya

x {}^{3}  + 2x {}^{2}  - x + 2 \\ x {}^{2} (x + 2) - 1(x + 2) \\ (x {}^{2}  - 1)(x + 2) \\  \\ now... \\ x {}^{2}  - 1 = 0 \\ x {}^{2}  = 1 \\ x =  \sqrt{1}  \\ x = 1 \\  \\ and.. \\ x + 2 = 0 \\ x =  - 2

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Answered by anushka49823
1

x=-2

Step-by-step explanation:

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