If x = – 3, then x³ – x² – x will be equal to · ABC26GN0952

Subject: General Aptitude · Chapter: Simplification

If x = – 3, then $x^3 – x^2 – x$ will be equal to
(a)– 33
(b)– 27
(c)15
(d)54
Answer
Answer (as printed): A
Explanation
$x^3 – x^2 – x = (–3)^3 – (–3)^2 – (–3) = –27 – 9 + 3 = –33$.

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Simplification

1. Practise the PYQsPrevious-year questions, with answers

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