Example 5 - Simplify the expressions and evaluate them as directed

 

 


Transcript

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

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

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, Social Science, Physics, Chemistry, Computer Science at Teachoo.