Question 12 - Finding Errors - Chapter 12 Class 8 Factorisation

Last updated at July 27, 2026 by

Ex 14.4, 12 - Find and correct the errors (z + 5)^2 = z^2 + 25

 

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Question 12 Find and correct the errors in the following mathematical statements. 怖"(z + 5)" 怗^2= š‘§^2 + 25 Solving L.H.S : 怖"(z + 5)" 怗^2 Using 怖(š‘Ž+š‘)怗^2=š‘Ž^2+š‘^2+2š‘Žš‘ Here a = z and b = 5 = 怖(š‘§)怗^2 + 怖(5)怗^2 + 2 (z) (5) = š‘§^2 + 25 + 10z = š‘§^2 + 10z + 25 āˆ“ (š’›+šŸ“)^šŸ = š’›^šŸ + 10z + 25 is the correct statement.

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