Math Problem Statement

(-4x^-3)^3

Solution

Let's simplify the expression (4x3)3(-4x^{-3})^3.

Step 1: Apply the power of a power rule

The power of a power rule states that (am)n=amn(a^m)^n = a^{m \cdot n}. So for the expression (4x3)3(-4x^{-3})^3, apply this rule to both the constant 4-4 and the term involving xx.

(4x3)3=(4)3(x3)3(-4x^{-3})^3 = (-4)^3 \cdot (x^{-3})^3

Step 2: Simplify the terms

  1. (4)3=64(-4)^3 = -64
  2. (x3)3=x9(x^{-3})^3 = x^{-9} (Using the power rule: amn=amna^{m \cdot n} = a^{m \cdot n}).

Now, putting it all together:

(4x3)3=64x9(-4x^{-3})^3 = -64x^{-9}

Final result:

64x9-64x^{-9}

Tip:

Remember that xn=1xnx^{-n} = \frac{1}{x^n}, so you could also express the final result as: 64x9\frac{-64}{x^9}

Would you like further clarification or assistance with this? Let me know if you have more questions!

Here are some follow-up questions:

  1. How would you simplify other similar expressions, such as (3x2)4(3x^2)^4?
  2. What happens when you multiply terms with negative exponents?
  3. Can you simplify an expression with both negative and positive exponents, like x3x5x^3 \cdot x^{-5}?
  4. How do you deal with fractional exponents, for example, x12x^{\frac{1}{2}}?
  5. What are the rules for simplifying expressions with both constants and variables?

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Math Problem Analysis

Mathematical Concepts

Algebra
Exponentiation
Power of a Power Rule
Negative Exponents

Formulas

(a^m)^n = a^{m*n}
x^{-n} = 1/x^n

Theorems

Power of a Power Rule
Simplification of Expressions with Exponents

Suitable Grade Level

Grades 8-10