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Algebra problem (24) |  |
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Solve x in equation:
Solution
Square:
Compare with:
(x+a)3 = x3 + 3ax2 + 3a2x + a3
so:
substitute value of a:
Isolate power 3:
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Solve x in equation: Solution Square:Compare with: (x+a)3 = x3 + 3ax2 + 3a2x + a3 so: substitute value of a: Isolate power 3:
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