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

Please help me, these 2 questions are crazing me out!
Which of the following is a case of frictional unemployment? A. Timothy is looking for a job where he can apply his expertise in computer programming. B. Thom
4.5 is 8.2 what is the sum
Les duex soeurs de Charles s’apallent Marise et Clarisse. Elles ont dix-neuf ans. Ce sont des ___ jumelles.
The length of a square is 256m and the breadth is 238m what is the perimeter
5 divided by a =60 help me solve a
Although the element hydrogen is a non-metal, it is located on the left side of the periodic table. Explain how placing hydrogen in the (other nonmetals section
What is true about economic resources? A. Economic resources include only money. B. Economic resources are limited. C. Economic resources exist only at the indi
Help me plz in this Plz pl p
Help me plz in this Plz pl p