Math Problem Statement
\left(x-2\right)^{\frac{2}{3}}+\left(x-2\right)^{\frac{1}{3}}-12=0
Solution
We are given the equation:
To solve this, let's introduce a substitution to simplify the expression. Set:
This substitution allows us to rewrite the original equation as:
Now, we can solve this quadratic equation for using the quadratic formula:
For , the coefficients are , , and . Substituting into the quadratic formula:
This gives two solutions for :
Now, recall that , so we can solve for by cubing both sides.
Case 1:
Cubing both sides:
Case 2:
Cubing both sides:
Thus, the solutions to the equation are:
Would you like a detailed explanation of any specific step, or have any questions?
Here are five questions related to the problem:
- How does substitution simplify complex equations involving fractional exponents?
- What are the advantages of using the quadratic formula to solve quadratic equations?
- Why do we cube both sides when reversing the substitution for ?
- What are the conditions under which the cubic root function is valid for negative numbers?
- How can you verify the solutions to this type of equation?
Tip: When solving fractional exponent equations, always check if the final solutions satisfy the original equation, especially with negative or zero exponents.
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Math Problem Analysis
Mathematical Concepts
Algebra
Equations with Fractional Exponents
Substitution Method
Quadratic Equations
Formulas
Quadratic Formula: y = (-b ± √(b² - 4ac)) / 2a
Exponentiation: (x - 2)^{1/3}
Theorems
Quadratic Formula Theorem
Suitable Grade Level
Grades 10-12
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