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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) π‘₯ (π‘₯βˆ’3)+2 for π‘₯=1 π‘₯ (π‘₯βˆ’3)+2=π‘₯Γ—π‘₯βˆ’π‘₯Γ—3+2 =π‘₯^2βˆ’3π‘₯+2 For x = 1 Putting x = 1 in expression π‘₯^2βˆ’3π‘₯+2 = 1^2βˆ’3Γ—1+2 = 1βˆ’3+2 = (1+2)βˆ’3 = 3βˆ’3 = 𝟎

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.