Canonical URI: https://w3id.org/kmath/textbook_solution/chunjae_jeon_solution_body_p033_01
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 천재전 p033 예제 1 풀이 |
| rdfs:comment | 천재전 공통수학1 본문 p033의 예제 1 풀이. |
| math:answerText | (1) \((x+2)^3\) (2) \((x-3y)(x^2+3xy+9y^2)\) |
| math:explanationText | (1) \[ x^3+6x^2+12x+8=x^3+3\cdot x^2\cdot2+3\cdot x\cdot2^2+2^3=(x+2)^3 \] (2) \[ x^3-27y^3=x^3-(3y)^3=(x-3y)(x^2+x\cdot3y+(3y)^2) \] \[ =(x-3y)(x^2+3xy+9y^2) \] |
| math:mappingConfidence | 1.0 |
| math:pageStart | 33 |
| math:problem | textbook_problem:chunjae_jeon_vision_p033_01 |
| math:reviewStatus | reviewed |
| math:solutionKind | worked_solution |
| math:usesSolutionPattern | solution_pattern:substitution_factorization |