heidileannj heidileannj

12-01-2021
Mathematics

contestada

which value of a makes the following equation true
(x+a)^2=x^2+16x+64

Respuesta :

CHERLYNnotCHERRY CHERLYNnotCHERRY

12-01-2021

Answer:

The value of a is 8.

Step-by-step explanation:

In the expression, x² + 16x + 64, 64 is a perfect square of 8 so if you factorize it, you will get :

x² + 16x + 64

= x² + 8x + 8x + 64

= x(x + 8) + 8(x + 8)

= (x + 8)²

(x + a)² = (x + 8)²

a = 8

Answer Link

Otras preguntas

How would you round off a number to one decimal place? For example would 67.39 become 67.4

How will you described the sequence of oxygen, carbon dioxide, and blood flow in your own words.

how will you describe the pathway of oxygen in breathing system?

can someone explain to me how to use "squared"? I do 2+2 and its four. but when I do 3+3 and I get 6, my brother tells me that's not squared. can you help me ou

How will you described the sequence of oxygen, carbon dioxide, and blood flow in your own words.

How will you describe the sequence of oxygen, carbon dioxide and blood flow?

let A={0,1,2,3,4,6} and B={2,4,6,8} find a.)AnB b.)AUB

Factor the following and find the zeros.1. x2 - 169 = 0 2. x2 + 14X + 49 = 03. x2 - 17x + 42 = 0 4. 2X2 - 9X - 5 = 05. 3X2 + 11X - 4 =0

could you tell me what is nonfiction?

what is an intentional fallacy?