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PIT_PIT [208]
3 years ago
5

Expand and simplify (x+3)²

Mathematics
2 answers:
Ivenika [448]3 years ago
7 0

Answer:

<h2>x² + 9 + 6x </h2>

Step-by-step explanation:

expand and simplify (x+3)²

(x+3)² =

x² + 9 + 2 × x × 3 =

x² + 9 + 6x

arsen [322]3 years ago
6 0

Answer:

x² + 6x + 9

Step-by-step explanation:

( x + 3 ) ²

( x + 3 ) ( x + 3 )

x ( x + 3 ) + 3 ( x + 3 )

x² + 3x + 3x + 9

x² + 6x + 9

Hope this helps you.

Let me know if you have any other questions :-)

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Answer:

\boxed{\bold{\huge{\boxed{497}}}}

Step-by-step explanation:

=> \sf 249^2 - 248^2

<u>Using Formula</u> \sf a^2 - b^2 = (a+b)(a-b)

<u><em>Where </em></u>

a = 249

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=> \sf (249+248)(249-248)

=> \sf (497)(1)

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Step-by-step explanation:

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