The solution to the equation are 5 or -1 after applying the quadratic formula.
<h3>What is a quadratic equation?</h3>
Any equation of the form
where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.
It is given that:
x² - 4x² - 5 = 0
The above equation is a quadratic equation:
Using the quadratic formula:

Plug the values in the formula:

After solving:
x = 5 or -1
Thus, the solution to the equation is 5 or -1 after applying the quadratic formula.
Learn more about quadratic equations here:
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2x < 10
Solving:
Divide each side by 2
x < 5
Hope this helps!
You have to find the price of the shoe
Answer:
15
Step-by-step explanation:
-x=-15
x=15
105 -24 = 120 - 39
81 = 81