Question 8 - Finding Errors - Chapter 12 Class 8 Factorisation

Last updated at July 27, 2026 by

Ex 14.4, 8 - Find and correct the errors (2x)2 + 5x = 4x + 5x = 9x

Remove Ads

Transcript

Question 8 Find and correct the errors in the following mathematical statements. 〖"(2x)" 〗^2+ 5x = 4x + 5x = 9x 〖"(2x)" 〗^2+ 5x = 4x + 5x = 9x Solving LHS: 〖(2𝑥)〗^2 + 5𝑥 = (2^2×𝑥^2 )+5𝑥 = 〖4𝑥〗^2+5𝑥 ∴ 〖(𝟐𝒙)〗^𝟐 + 5x = 〖𝟒𝒙〗^𝟐 + 5x is the correct statement

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.