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

Do you know biology?
Do you it is for social studies
Live Aid was a benefit concert that raised funds to assist victims of the Ethiopian Famine of 1983-1985. OA. True ОВ. False
Help me solve please
explain how the looting of shops will affect businesses in terms of relationships with social responsibility and triple bottom line ​
Write a paragraph on "Kite flying is fun".​
the marked price of a watch is rs 2700.If allowing 2V% discount on the marked price and adding V% vat, the value of the watch will be rs 2376.Find the rate of v
How to find a domain and range and express it in a function
An adult blue whale can eat 4.0 x 107 krill in a day. At that rate, how many krill can an adult blue whale eat in 1.45 x 102 days?
Solve for x and find the value of the unknown angle measures.