Question

Find the area of a square whose side is x + 8.

Answer 1

Answer:

Area = x^2 + 64

Step-by-step explanation:

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Answer 2

Answer:

The area of a square is its side squared.

So as the side of this square is x + 8, the area is -

  (x + 8)²

= x² + 16x + 64       ...........   ( As (a + b)² = a² + 2ab + b²)

Therefore x² + 16x + 64 is the area of the square.