factorise a³+3a²+3a-7
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Answer:
How to solve your problem
3
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3
2
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3
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7
a^{3}+3a^{2}+3a-7
a3+3a2+3a−7
Grouping
1
Find one factor
Factor by grouping
Factor by grouping
Factor by grouping
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1
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2
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4
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7
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{\color{#c92786}{({\color{#c92786}{a-1}})({\color{#c92786}{a^{2}+4a+7}})}}
(a−1)(a2+4a+7)
Solution
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1
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(
2
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4
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7
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Step-by-step explanation:
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