Answer:
15/25 can be simplified to 3/5.

Taking 4 out from first two terms, we will get

Now we divide the coefficient of x by 2 and add and subtract the square of the result, we will get

Distributing 4

Cancelling 9

And that's the required standard form.
<h2>PERIMETER</h2>
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<em>the formula for perimeter of a Rectangle is this ::</em>
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Answer:
100%(start)+17%(boom)+7%(normal)=124%
124%-11%(recession)=113%