![]() The equation can now be written in the form 10 z 2 z - 2 = 0, which shows clearly to be quadratic equation. $2\sqrt - 7 = 0$įor us to see that the above examples can be treated as quadratic equation, we take example no. Below are examples of equations that can be considered as quadratic.Ĥ. The general appearance of quadratic equation is a second degree curve so that the degree power of one variable is twice of another variable. Some quadratic equation may not look like the one above. ![]() Step 5: Substitute either value (we'll use ` 4`) into the `u` bracket expressions, giving us the same roots of the quadratic equation that we found above:įor more on this approach, see: A Different Way to Solve Quadratic Equations (video by Po-Shen Loh).A
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