Canonical URI: https://w3id.org/kmath/textbook_solution/chunjae_hong_solution_p031_p031_01
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 천재홍 p031 예제 1 풀이 |
| rdfs:comment | 천재홍 공통수학1 교과서 본문 p031의 예제 1 풀이. |
| math:answerText | (1) \((x+3)^3\) (2) \((a-2b)(a^2+2ab+4b^2)\) |
| math:explanationText | (1) \[ x^3+9x^2+27x+27=x^3+3x^2\cdot3+3x\cdot3^2+3^3=(x+3)^3 \] (2) \[ a^3-8b^3=a^3-(2b)^3=(a-2b)(a^2+2ab+4b^2) \] |
| math:mappingConfidence | 1.0 |
| math:pageStart | 31 |
| math:problem | textbook_problem:chunjae_hong_vision_p031_01 |
| math:reviewStatus | reviewed |
| math:solutionKind | worked_solution |
| math:usesSolutionPattern | solution_pattern:substitution_factorization |