Question

(3x)² + 4x +7 = 3x² + 4x +7, Find the errors and correct the given mathematical sentence.

Answer 1

Hii..
Here is your answer..

Solution:-
$= > ( {3x})^{2} + 4x + 7 = 3 {x}^{2} + 4 + 7$
This is wrong..

The correct answer is:-
$= > {(3x)}^{2} + 4x + 7 \\ = > {9x}^{2} + 4x + 7$
Hope it helps uh...✌️✌️✌️

Answer 2

Solution :

( 3x )² + 4x + 7 = 9x² + 4x + 7 ----( 1 )

But , it's given that

( 3x )² + 4x + 7 = 3x² + 4x + 7

First term is wrong in RHS

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