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

If 8 men can chop down 28 trees in one day, how many trees can 20 men chop down in one day?
which factor made the most difference in how agriculture affected the economies of the colonies?
How do you Factor c(squared)-8c ??
If Walt can paint 25 feet of fence in an hour, and Joe can paint 35 feet in an hour, how many minutes will it take them to paint a 150-foot fence, if they work
How do you Factor c(squared)-8c ??
Find the value of x.  Round to nearest hundredth if necessary.
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
Explain how a species can evolve through natural selection.
which factor made the most difference in how agriculture affected the economies of the colonies?
the cafeteria has 45 square  tables that can be pushed together to form one long table for the lacrosse team's banquet. Each square table can seat one person on