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JSCE Mathematics 2023 Objective — Question 50

Question 50 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2023 Objective paper, with the correct answer and a full explanation.

Factorise -15mn² − 5mx

A. -5m(3n² + x)Correct
B. -5(3n² − x)
C. -5n²(3m + x)
D. -5n²(3m − x)

Explanation

Take out the common factor −5m: −5m(3n² + x).

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