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  1. Chapter 12 Class 7 Algebraic Expressions
  2. Serial order wise

Transcript

Ex 12.3, 9 What should be the value of a if the value of 2x2 + x – a equals to 5, when x = 0? Given that, for x = 0, value is 5 2x2 + x – a = 5 Putting x = 0 2(0)2 + (0) − a = 5 −a = 5 a = −5

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.