a4 + 343a factorise
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Answer:
1
Find one factor
(3+343)
{\color{#c92786}{{\color{#c92786}{a}}({\color{#c92786}{a^{3}+343}})}}a(a3+343)
2
Find one factor
Factor by grouping
Factor by grouping
Factor by grouping
Factor by grouping
(+7)(2−7+49)
a({\color{#c92786}{a+7}})({\color{#c92786}{a^{2}-7a+49}})a(a+7)(a2−7a+49)
Solution
(+7)(2−7+49)
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