factorise x^3 - 5x- 100
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Step-by-step explanation:
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5
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x^{3}-5x-100
x3−5x−100
Grouping
1
Find one factor
Factor by grouping
Factor by grouping
Factor by grouping
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5
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{\color{#c92786}{({\color{#c92786}{x-5}})({\color{#c92786}{x^{2}+5x+20}})}}
(x−5)(x2+5x+20)
Solution
(
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5
)
(
2
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5
+
2
0
)
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