Math, asked by VijayBhasy, 2 months ago

what number should added to x²+6x to get (x+3)²?

Answers

Answered by pradhansuman419

4

Step-by-step explanation:

x2 +6x =(x+3)2

LHS

a2+b2 - 2ab. let x=1

12 +61 -2 1+6

1+6-2.1.6

7-12

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