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ICSE Class 8 Answered

Factorise: x^6-7x^3-8
Asked by laxmi.agarwal055 | 21 Feb, 2018, 08:46: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight x to the power of 6 minus 7 straight x cubed minus 8 Put space straight x cubed equals straight t straight t squared minus 7 straight t minus 8 left parenthesis straight t minus 8 right parenthesis left parenthesis straight t plus 1 right parenthesis straight t equals straight x cubed left parenthesis straight x cubed minus 8 right parenthesis left parenthesis straight x cubed plus 1 right parenthesis open parentheses straight x minus 2 close parentheses left parenthesis straight x squared plus 2 straight x plus 4 right parenthesis left parenthesis straight x plus 1 right parenthesis left parenthesis straight x squared minus straight x plus 1 right parenthesis end style
Answered by Sneha shidid | 22 Feb, 2018, 10:44: AM

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ICSE 8 - Maths
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ICSE 8 - Maths
Factorise: x^6-7x^3-8
Asked by laxmi.agarwal055 | 21 Feb, 2018, 08:46: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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