baconlover240
baconlover240 baconlover240
  • 02-08-2019
  • Mathematics
contestada

Help! Which step is incorrect!

Help Which step is incorrect class=

Respuesta :

gmany
gmany gmany
  • 02-08-2019

Answer:

(2)

Step-by-step explanation:

Because

[tex]x^2-16=x^2-4^2=(x-4)(x+4)[/tex]  not  [tex]=(x-4)(x-4)[/tex]

This follows from the formula [tex]a^2-b^2=(a-b)(a+b)[/tex]

Answer Link

Otras preguntas

Compare the trans-Saharan trade of the Mande speaking people of West Africa and the later Mali Empire that developed there with the Indian Ocean trade of the Sh
1. Solve the system of equations: 4x-y=14 and x=y+2 O (4,2) O (2,4) O (6,2) 0 (2,6)
who is the main character in to kill a mocking bird?
NEED HELP URGENTLY PLEASE State at least three effects of the industrial revolution that influenced global reforms between 1877 to 1922.
Please help me with this question
What is the simplified expression for (screenshot) A. 3/4 B. 4/3 C. 4²/3 D. 3³/4
Is my answer correct?
What is the answer? ​
what is the causes for "better relations occur between colonists and the powhatans after 1614" and causes for "The coloinists and powhatans live together peacef
How many days are in a year ?