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 a gas gosts 3.60 per gallon how much doe sit cost to drive 500 miles in the city
When describing the scientific evidence, what is the meaning of the word repeatable?
Find the solution to the linear system of differential equations {x′y′==−5x+3y−18x+10y satisfying the initial conditions x(0)=4 and y(0)=11
does anyone know how to do this
what is the correct reflexive pronouns and reflexive verbs 1. Nosotros/ lavarse/ las manos 2. Tu / arreglarse / para la escuela 3. Vosotros/ peinarse/ el pel
What is the first ten elements of the periodic table?
Picasso's new "language" of painting was called
How many different types of offspring (genotypes) are possible as a result of this cross, according to the punnett square?
Dr. hiroshiko believes that a general factor (called the g factor) is responsible for overall performance on mental ability tests and that it can be expressed a
The Great Pyramid in Giza was built for which pharaoh?