Example 5 (i) - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at Dec. 16, 2024 by

Example 5 - Simplify the expressions and evaluate them as directed

 

 

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Example 5 Simplify the expressions and evaluate them as directed: (i) 𝑥 (𝑥−3)+2 for 𝑥=1 𝑥 (𝑥−3)+2=𝑥×𝑥−𝑥×3+2 =𝑥^2−3𝑥+2 For x = 1 Putting x = 1 in expression 𝑥^2−3𝑥+2 = 1^2−3×1+2 = 1−3+2 = (1+2)−3 = 3−3 = 𝟎

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo