# Ex 14.4, 15 - Chapter 14 Class 8 Factorisation

Last updated at Dec. 26, 2018 by Teachoo

Last updated at Dec. 26, 2018 by Teachoo

Transcript

Ex 14.4, 15 Find & correct the errors in the following mathematical statements. (a โ 4) (a โ 2) = ๐^2 โ 8 Solving L.H.S : (a โ 4) (a โ 2) = a (a โ 2) โ 4 (a โ 2) = (a ร a) โ (a ร 2) โ (4 ร a) + (โ4 ร โ2) = ๐^2 โ 2a โ 4a + 8 Taking a common = ๐^2 + a (โ2 โ 4) + 8 = ๐^2 + a (โ6) + 8 = ๐^2 โ 6a + 8 โด (a โ 4) (a โ 2) = ๐^๐ โ 6a + 8 is the correct statement.

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