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Pre-calculus - Learn to multiply radicals with the imaginary unit i, root(8) * root(-7)

In this math tutorial I will show you how to multiply complex numbers. Complex numbers come in the form of a +bi. Multiplying complex numbers carry some of the same properties as multiplying ...
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Applying foil to multiply two radical expressions

Brian McLogan Applying foil to multiply two radical expressions Posted: April 29, 2026 | Last updated: April 29, 2026 Description: 👉 Learn how to multiply radicals. A radical is an expression or a ...