<span>x^2-6x+-14=0 works out the same way</span>
<span>7(8+4k)+12
= 56 + 28k + 12
= 28k + 70
= 14(2k + 5)</span>
The square miles that was burned if one square mile is 640 acres is 840.625 square miles.
<h3>What does division mean?</h3>
Division is the process of grouping a number into equal parts using another number. The sign used to denote division is ÷. Division is one of the basic mathematical operations.
<h3>How many square miles was burned?</h3>
Square miles that was burned = 538,000 / 640 = 840.625 square miles
To learn more about division, please check: brainly.com/question/13281206