Q. 1 L4.7( 10 Votes )

# <span lang="EN-US

Answer :

If LHS is

x2 + 5x

Then RHS would be

x2 + 5x

Putting x = (-3)

= (–3)2 + 5 (–3)

= 9 + (-15)

= -6

The error is ( + 9) instead of (-9) and end results to (-6) instead of (-24)

Hence putting x = (-3) in x2 + 5x results to (-6)

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