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How to expand (x-y) 3?
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Learn how to expand the cube of sum of two terms (x+y)³ using algebraic and geometric methods. Find examples, definitions and explanations of the binomial x+y and its cube.
The expression (x-y) 3 is a cubic expression. Answer: The expansion of (x-y) 3 is x 3 - y 3 - 3x 2 y + 3xy 2. Let us see how to expand (x-y) 3. Explanation: The expression (x-y) 3 can be written as, (x-y)(x-y)(x-y) First simplify (x-y)(x-y) by binomial multiplication. (x-y)(x-y) = x 2 - 2xy + y 2. Now multiply (x-y) with x 2 - 2xy + y 2 (x-y)(x ...
x^{2}-x-6=0 -x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120) \lim _{x\to 0}(x\ln (x)) \int e^x\cos (x)dx \int_{0}^{\pi}\sin(x)dx \sum_{n=0}^{\infty}\frac{3}{2^n} Show More
Apr 10, 2018 · Learn how to use the binomial theorem to expand (x-y)^3 into four terms. See two different methods and explanations with examples and answer links.
Feb 20, 2019 · Binomial Expansion Explained. Dr. Masi. 7.19K subscribers. Subscribed. 183. 23K views 5 years ago Factoring. Factoring Playlist: • how to solve (x-y)^4 Subscribe: / @drmasi Thank you for...
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The perfect cube forms (x+y)^3 (x +y)3 and ( x-y)^3 (x−y)3 come up a lot in algebra. We will go over how to expand them in the examples below, but you should also take some time to store these forms in memory, since you'll see them often:
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