# Ex.14.3 Q11 Factorization - NCERT Maths Class 8

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## Question

Find and correct the errors in the statement:

\[{(2x)^2} + 5x = 4x + 5x = 9x\]

## Text Solution

**What is known?**

Incorrect mathematical statement.

**What is unknown?**

Correct mathematical statement.

**Reasoning:**

Solve \(L.H.S.\)

**Steps:**

\[\begin{align}L.H.S.& = {(2x)^2} + 5x \\&= 4{x^2} + 5x\\L.H.S. &\ne R.H.S.\end{align}\]

The correct statement is

\[{\left( {2x} \right)^2} + 5x = 4{x^2} + 5x\]