After extracting the common x, factorise x³−6x²+9x completely.
Ax(x−3)²
Bx(x−9)²
Cx(x+3)²
Dx²(x−3)²
Answer & Solution
Correct answer: A. x(x−3)²
Removing x leaves x² − 6x + 9, the square of x − 3.
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