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Find the Value of the Following Expressions, When X = -1: X2 + 2x + 1 - CBSE Class 7 - Mathematics

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Question

Find the value of the following expressions, when x = -1:

x2 + 2x + 1

Solution

x2 + 2x + 1 = (-1) × (-1) + 2 × (-1) + 1

= 1 - 2 + 1 = 0

  Is there an error in this question or solution?

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 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 12: Algebraic Expressions
Ex. 12.30 | Q: 3.3 | Page no. 242
Solution Find the Value of the Following Expressions, When X = -1: X2 + 2x + 1 Concept: Finding the Value of an Expression.
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