Solve x^2 = 144.A. 72 B. 12C. +12D. -12
2 answers:
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We can round 58697 to 59000, and 3664 to 4000. The computation becomes
The actual result is 55033, so it's quite a good result
She did not simplify under the square root correctly.
<h3>Quadratic equation</h3>Given the quadratic expression
5x^2 - 6x - 8 = 0
Using the general formula, we will have:
From the given equation;
a = 5
b -6
c = -8
Substitute the values into the formula to have:
From the given solution, we can see that she did not simplify under the square root correctly.
Learn more on general formula here; brainly.com/question/21466038