Medium Math Class 9 Level 10

Which is the correct factorization of x² - 29x + 210?

x² - 29x + 210 का सही गुणनखंड कौन सा है?

A (x - 14)(x - 15) / (x - 14)(x - 15) B (x + 14)(x + 15) / (x + 14)(x + 15) C (x - 10)(x - 21) / (x - 10)(x - 21) D (x + 10)(x + 21) / (x + 10)(x + 21)
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Correct Answer

A. (x - 14)(x - 15) / (x - 14)(x - 15)

Explanation

The numbers 14 and 15 have product 210 and sum 29 so the factors are (x - 14)(x - 15).

14 और 15 का गुणनफल 210 और योग 29 है इसलिए गुणनखंड (x - 14)(x - 15) हैं।

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