Solve using the Quadratic Formula: x² - 8x + 15 = 0
To solve the quadratic equation using the Quadratic Formula, we start by identifying the coefficients (a), (b), and (c):
a = 1
b = -8
c = 15
The Quadratic Formula is given by:
Step 1: Calculate the Discriminant
First, we calculate the discriminant (D):
D = 64 - 60 = 4
Step 2: Apply the Quadratic Formula
Now we substitute (b), (D), and (a) into the formula:
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