Ex.14.3 Q7 Factorization - NCERT Maths Class 8

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Question

Find and correct the errors in the statement: \(x+2x+3x=5x\)

Text Solution

What is known?

Incorrect mathematical statement.

What is unknown?

Correct mathematical statement.

Reasoning:

Solve \(\rm L.H.S.\)

Steps:

\[\begin{align} {\rm {L.H.S.}}  &= x + 2x + 3x = 1x + 2x + 3x\\ & = x(1 + 2 + 3) = 6x\\ {\rm {L.H.S.}} &\ne {\rm {R.H.S.}}\end{align}\]

The correct statement is \(x+2x+3x=6x\)