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ICSE Class 10 Answered

2x³-x²-13x-6 divide by x+2  
Asked by santoshverma080285 | 20 Aug, 2020, 03:17: PM
Expert Answer
To divde 2x3-x2-13x-6 by x+2
space space space space space space space space 2 x squared minus 5 x minus 3
x plus 2 right parenthesis top enclose 2 x cubed minus x squared minus 13 x minus 6 space end enclose
space space space space space space space space space 2 straight x cubed plus 4 straight x squared
space space space space space space bottom enclose negative space space space space space space minus space space space space space space space space space space space space space space space space space space space end enclose
space space space space space space space space space space space space space space minus 5 straight x squared minus 13 straight x minus 6
space space space space space space space space space space space space space space minus 5 straight x squared minus 10 straight x
space space space space space space space bottom enclose space space space space space space space plus space space space space space space plus space space space space space space space space space space space end enclose
space space space space space space space space space space space space space space space space space space space space space space space minus 3 straight x minus 6
space space space space space space space space space space space space space space space space space space space space space space space minus 3 straight x minus 6
space space space space space space space space space space bottom enclose space space space space space space space space space space space space space plus space space space space space plus space space end enclose
space space space space space space space space space space space space space space space space space space space space space space space space space 0

Hence comma space 2 straight x cubed minus straight x squared minus 13 straight x minus 6 equals open parentheses straight x plus 2 close parentheses open parentheses 2 straight x squared minus 5 straight x minus 3 close parentheses
Answered by Renu Varma | 21 Aug, 2020, 01:57: PM
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