Medium Math Class 9 Level 3

Which is the correct factorization of x² + 15x + 56?

x² + 15x + 56 का सही गुणनखंड कौन सा है?

A) (x + 7)(x + 8) / (x + 7)(x + 8) B) (x - 7)(x - 8) / (x - 7)(x - 8) C) (x + 4)(x + 14) / (x + 4)(x + 14) D) (x - 4)(x - 14) / (x - 4)(x - 14)
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Correct Answer

A. (x + 7)(x + 8) / (x + 7)(x + 8)

Explanation

The numbers 7 and 8 have product 56 and sum 15.

7 और 8 का गुणनफल 56 और योग 15 है।

Related Questions

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A. 44 सेमी² / 44 cm² B. 77 सेमी² / 77 cm² C. 154 सेमी² / 154 cm² D. 308 सेमी² / 308 cm²
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