Factoring a Quadratic
Factoring a quadratic polynomial
Factoring by Grouping
Author: Doan Nguyen
The following problem is solved in this video. It is recommended that you try to solve the problem before watching the video. You can click "Reveal Answer" to reveal the answer to the problem.
Problem: Factor the following polynomial: \(x^3 - 3x^2 - 5x + 15.\)
\((x-3)(x-\sqrt{5})(x+\sqrt{5})\)
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