Hard Math Class 9 Level 1

Which is the correct factorization of x² - 2x - 35?

x² - 2x - 35 का सही गुणनखंड कौन सा है?

A (x - 7)(x + 5) / (x - 7)(x + 5) B (x + 7)(x - 5) / (x + 7)(x - 5) C (x - 5)(x - 7) / (x - 5)(x - 7) D (x + 5)(x + 7) / (x + 5)(x + 7)
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Correct Answer

A. (x - 7)(x + 5) / (x - 7)(x + 5)

Explanation

The numbers -7 and 5 have product -35 and sum -2 so the factors are (x - 7)(x + 5).

-7 और 5 का गुणनफल -35 और योग -2 है इसलिए गुणनखंड (x - 7)(x + 5) हैं।

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