Why multiply by conjugate

How so? By difference of squares!. Algebra 2 Radicals and Conjugation, in Depth. Multiplying by the Conjugate. Go to Topic. Explanations 5. Zora Gilbert. Multiply a radical expression by its conjugate to simplify Radicals are complex and messy all the time, but they're easier to handle in some places than others. Show Solution Check. Related Lessons.

What Is a Radical Conjugate? Rationalize the Denominator. Simplifying Radical Expressions: Intro to Conjugates. Simplifying Cube Roots, in Depth. View All Related Lessons. Ben Ferrara. Video Multiplying by the Conjugate by Intermediate Algebra.

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