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Example 10 - Chapter 14 Class 8 Factorisation
Last updated at March 23, 2023 by Teachoo
Transcript
Example 10 Find the factors of π¦^2 β 7y + 12. π¦^2 β 7y + 12 By middle term splitting = π¦^2 β 3π¦ β 4π¦+12 = (π¦^2 β 3π¦) β(4π¦β12) Both have y as common factor Both have 4 as common factor = y (y β 3) β 4 (y β 3) Taking (y β 3) common = (y β 3) (y β 4) Splitting the middle term We need to find two numbers whose Sum = β7 Product = 12 So, we write β7y = β3y β 4y
