Question

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The McDonald's Play Place is going to increase its ball pit size to allow for more fun! The ball pit was originally 10 feet by 12 feet. They have decided to increase each side by the same amount. Express the area of the new pit as a polynomial in simplest form.

Answer 1

Please note that I'm not 100% sure on this question!

Answer:

`x^(2) + 22x + 120`

Explanation:

The ball pit was originally 10 × 12 feet long, or a 120ft area.

We can express the areas of the side and bottom extensions as
`12x` and
`10x` respectively.

The corner adjacent to both extensions can be expressed as
`x^(2)`.

We can put these numbers into a polynomial:

`x^(2) + 12x + 10x + 120`

This polynomial can then be simplified.

`x^(2) + 22x + 120`