Math Problem Statement
Solution
Let’s analyze the problem. Here's what we gather from the image:
-
Rectangle dimensions:
- Length: cm
- Width: cm
- Area of the rectangle: .
-
Square dimensions:
- Side: cm
- Area of the square: .
-
Given: The area of the rectangle is 53 cm² more than the area of the square.
Step-by-Step Solution:
Step 1: Write the equation for the given condition.
Substitute the formulas for the areas:
Step 2: Expand both sides.
Expand :
Expand :
Substitute these into the equation:
Step 3: Simplify the equation.
Combine like terms:
Move all terms to one side:
Simplify further:
Step 4: Solve the quadratic equation.
Factorize :
Thus:
Step 5: Verify the solution.
Since dimensions cannot be negative, is not valid. So:
Final Answer:
Would you like a breakdown of the verification process?
Follow-Up Questions:
- How can we verify the solution for with the given dimensions?
- What would happen if the problem allowed for negative dimensions?
- How do we simplify quadratic equations when factoring is not possible?
- Why must the area difference between the shapes equal 53?
- Can this problem be solved graphically?
Tip:
When solving quadratic equations, always check the feasibility of your solutions within the given context (e.g., negative dimensions are usually invalid in geometry problems).
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Geometry (Area of Rectangle and Square)
Formulas
Area of a rectangle = length × width
Area of a square = side²
Quadratic equation formula: ax² + bx + c = 0
Theorems
Expansion of binomials (Distributive Property)
Factoring quadratics
Suitable Grade Level
Grades 8-10
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