Math, asked by rahul574, 1 year ago

(x+3) (x+3) by using Identity

Answers

Answered by PrernaSharma
2
It can be solved by using the identity : (a+b)^2= a^2+2ab+b^2
So, (x+3)^2= x^2+2×x×3+(3)^2
=x^2+6x+9
Hope it will helps u!!

RehanAhmadXLX: Heya, Edit it once
RehanAhmadXLX: State the identity
Answered by RehanAhmadXLX
5
Heya.

Its very simple question...

Let me solve accordingly.

Given ....

(x+3) (x+3)                    { As (a) (a) = a², So)
= (x+3)²

Now using 
(a +b)² = a² + b² + 2ab

We get,,,,,,,,

x² + (3)² + 2 (x) (3)
= x² + 9 + 6x.

Rearranging 
x² + 6x + 9  (answer)

Hope it helps

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