Find the smallest root of the equation 5x ^ 2 – x = 0
August 19, 2021 | education
| Let’s find the value of the unknown x:
5x ^ 2 – x = 0;
Let’s take the common factor x out of the parentheses:
x * (5x – 1) = 0;
Equate each factor in the equation to 0:
x = 0 or 5x – 1 = 0;
5x = 1;
x = 1/5 = 0.2.
Thus, we see that the unknown x can have two values for which the equation is true – these are 0 and 0.2. Since the task indicates to find the smallest root of the equation, the answer to the equation is zero.
Answer: x = 0.
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