Math Problem Statement
X²/5 +½ = x/³ + ⅝
Solution
The equation you've provided is:
Let's solve it step by step.
Step 1: Eliminate the fractions
We can get rid of the denominators by multiplying the entire equation by the least common denominator (LCD). The LCD of 5, 2, 3, and 8 is 120.
So, multiply both sides of the equation by 120:
This simplifies to:
Step 2: Rearrange the equation
Now, move all the terms to one side to set the equation to zero:
Simplifying:
Step 3: Solve the quadratic equation
This is a quadratic equation in the form:
We can solve this using the quadratic formula:
Where , , and .
Let's calculate the discriminant ():
Now, applying the quadratic formula:
Let's simplify further by calculating the square root of 3040.
The square root of 3040 is approximately .
Now, applying the quadratic formula:
This gives two possible solutions:
Thus, the two possible solutions for are:
Would you like more details on any step, or have any questions?
Here are 5 related questions:
- What is the quadratic formula, and why does it work for all quadratic equations?
- How do we find the least common denominator (LCD) for fractions?
- Can quadratic equations always be solved by factoring?
- How can we interpret the discriminant in a quadratic equation?
- What are some real-world examples of quadratic equations?
Tip: In quadratic equations, if the discriminant is positive, there are two real solutions; if it's zero, there's one real solution; and if negative, the solutions are complex.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Fractions
Solving Equations
Formulas
Quadratic equation formula: x = (-b ± √(b² - 4ac)) / 2a
Fraction elimination using least common denominator
Theorems
Quadratic formula
Suitable Grade Level
Grades 9-10