Step-by-step solution
- Factorise: x² – 2x – 8 = (x – 4)(x + 2).
- Zeroes occur when each factor is zero: x = 4 or x = –2.
Answer: –2 and 4 — option (a).
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CBSE Class 10 · Boards 2027 · NCERT 2026-27 syllabus
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6 NCERT textbook questions from Chapter 2
Answer: –2 and 4 — option (a).
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Answer: Zeroes: 1/2 and 1/2 (repeated).
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Answer: Zeroes: √15 and –√15.
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Answer: Zeroes: −1/3 and 3/2; relationship verified.
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Answer: 3x² – 3√2·x + 1 (or x² – √2·x + 1/3).
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Answer: Zeroes: −2 and −5; relationship verified.
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