adammomhibanabae adammomhibanabae

12-12-2016
Mathematics

contestada

What is the missing coefficient of the x-term of the product (–x – 5)2 after it has been simplified?

(–x – 5)2 = x2 + _____x + 25

Respuesta :

JcAlmighty JcAlmighty

14-12-2016

The answer is 10.

(a - b)² = a² + 2ab + b²

(-x - 5)² = (-x)² - 2 * (-x) * 5 + 5²
= x² + 10x + 25

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ceajhiagilkes2 ceajhiagilkes2

29-11-2018

Answer:

10

Step-by-step explanation:

its 10 i did the test

Answer Link

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