Understanding Product of a Sum and a Difference
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Beginner
Start here! Easy to understand
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Beginner Explanation
The product of $(a + b)(a - b)$ simplifies to $a^2 - b^2$
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the result of $(5 + 3)(5 - 3)$?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
You are calculating the difference of squares $(7x + 2)(7x - 2)$ to find the area of a square minus a smaller square.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Prove that $(x + 5)(x - 5)$ results in a difference of squares.
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4
Challenge Quiz
Single Choice Quiz
Advanced
What is the expanded form of $(2x + 3y)(2x - 3y)$?
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Recap
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