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For centuries, one of algebra’s oldest puzzles has remained unsolved—how to find exact answers for higher-degree polynomials, ...
Save guides, add subjects and pick up where you left off with your BBC account. In algebra, letters are used to stand for values that can change (variables) or for values that are not known ...
Save guides, add subjects and pick up where you left off with your BBC account. In algebra, letters are used to stand for values that can change (variables) or for values that are not known ...
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