Medium Math Class 9 Level 8

Which is the correct factorization of x² - 25x + 156?

x² - 25x + 156 का सही गुणनखंड कौन सा है?

A (x - 12)(x - 13) / (x - 12)(x - 13) B (x + 12)(x + 13) / (x + 12)(x + 13) C (x - 6)(x - 26) / (x - 6)(x - 26) D (x + 6)(x + 26) / (x + 6)(x + 26)
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Correct Answer

A. (x - 12)(x - 13) / (x - 12)(x - 13)

Explanation

The numbers 12 and 13 have product 156 and sum 25 so the factors are (x - 12)(x - 13).

12 और 13 का गुणनफल 156 और योग 25 है इसलिए गुणनखंड (x - 12)(x - 13) हैं।

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