{x + 3}^(2) ​

Question

`{x + 3}^(2)`
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Answer 1

Correct Question :

`{(x + 3)}^(2)`

Solution :

`\boxed {\pink{{(a + b)}^(2) = a^2 + 2ab + b^2}}`

`= {(x + 3)}^(2) \\ = x^2 + 2 * x * 3 + 3^2 \\ = x^2 + 6x + 9`

`\therefore{\green {{(x + 3)}^(2)=x^2 + 6x + 9}}`

Answer 2

Explanation:

hello :

note : x+3² ≠ (x+3)²

because : (x+3)² = x²+3² +6x