Simplifying Expressions with Exponents: (x^12)(x^-6)
In mathematics, simplifying expressions with exponents is a fundamental skill. One rule we use is the product of powers rule:
When multiplying exponents with the same base, you add the powers.
This means: x^m * x^n = x^(m+n)
Let's apply this rule to our example: (x^12)(x^-6)
- Identify the base: The base is 'x' in both terms.
- Identify the exponents: The exponents are 12 and -6.
- Apply the product of powers rule: Add the exponents: 12 + (-6) = 6.
- Combine the base and the new exponent: x^6
Therefore, the simplified form of (x^12)(x^-6) is x^6.
Important Note: This simplification assumes that x is not equal to zero. Why? Because any number raised to the power of zero is equal to 1, and dividing by zero is undefined.