How do you solve #x^2 - 25 = 0#?
You can also use the Quadratic Formula but this is faster.
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To solve x^2 - 25 = 0, you can use the difference of squares formula, which states that a^2 - b^2 = (a + b)(a - b).
So, you rewrite the equation as:
x^2 - 25 = (x + 5)(x - 5)
To find the solutions, set each factor equal to zero:
x + 5 = 0 or x - 5 = 0
Solve for x:
For x + 5 = 0: x = -5
For x - 5 = 0: x = 5
Therefore, the solutions to the equation x^2 - 25 = 0 are x = -5 and x = 5.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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