starlipika
starlipika starlipika
  • 01-03-2019
  • Mathematics
contestada

i keep getting stuck on these kind of questions, do i expand or try and factorise more???​

i keep getting stuck on these kind of questions do i expand or try and factorise more class=

Respuesta :

jdoe0001 jdoe0001
  • 01-03-2019

[tex]\bf \begin{array}{llll} (a^2+4)^2&-&(a^2-2)^2\\\\ a^4+8a^2+16&-&(a^4-2a^2+4)\\\\ a^4+8a^2+16&-&a^4+2a^2-4 \end{array} \\\\\\ a^4-a^4+8a^2+2a^2+16-4 \\\\\\ 10a^2+12[/tex]

expand, thus you can sum like-terms if any.

Answer Link
xzervisx
xzervisx xzervisx
  • 28-03-2019

Answer:

10a^2+12

Step-by-step explanation:

Just use multiple indicies

Answer Link

Otras preguntas

Salid bought 35 feet of window trim at a hardware store. The trim cost $1.75 per foot, including sales tax. If salid paid with a $100.00 bill,how much change sh
What were the hazards and uncertainties of organized industrial labor?
360 miles traveled on 12 gallons of gasoline
how did the akkadian empire form
Julia spends $2.25 on has for her lawn mower. She earns $15.00 mowing her neighbor's yard. What is Julia's profit?
As the percent of iron in an igneous rock increases its density will__________?
The concept of protected rights began with: A) the Magna Carta B) Enlightenment C) English Bill of Rights D) Great Awakening
Evaluate the expression when x = –12. 3x – 17 a. –53 b. –19 c. 19 d. 53
Find the unknown number in each proportion. N/30 = 9/15 and 0.1/0.6 = n/12
what helps exploding pods disperse