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Recognize perfect square trinomials and difference of squares.

1️⃣

Watch the video

Start here (or skip if you already know it)

2️⃣

Visualize it

Explore it, then spot the correct graph

3️⃣

Practice problems

Answer 3 problems (80%+ correct)

Step 1: Watch

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How To Factor Polynomials

The Organic Chemistry Tutor · 14:00

Play with the interactive model to see how the math works, then test yourself by spotting the correct graph.

Move the controls and watch the math change — build a picture in your head before you solve.

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(a + b)² = a² + 2ab + b². (a + b)(a − b) = a² − b².

Try the Quiz tab to test your visual intuition for this skill.

Answer 3 problems with at least 80% correct to complete this skill.

Problem 1

Expand (x + 4)²

Tip: press 1–4 to pick an answer.

Press Enter to check

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