After taking out the greatest common factor from

MATHEMATICS · Subjective · CBSE · Mathematics · Polynomials · Polynomials

Problem

After taking out the greatest common factor from 6x2+546x^{2}+54, a student obtained 6(x2+9)6(x^{2}+9). Explain in one sentence why the factorisation process should stop at this stage when using Class 9 methods.

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