maths help (again)_!?

Question

if i simplify using product notation this:

a x a + 3 x a(squared) - 2 x a,

can i put the 2a and 3a (squared) together so that it is 5a (squared)?

Answer 1

In text we write a(squared) as a^2

so your question is

a*a + 3a^2 - 2a
you can put 2a and 3a^2 together because the a and the a^2 are two different values (they may as well be "a" and "b"
If you work on the question another step you will find that

a*a = a^2

So you get a^2 + 3a^2 - 2a

and because the a^2's are like terms you can add the a^2 to the 3a^2

so you get 4a^2 - 2a

and thats it

Answer 2

You can only add the same things.
a² + 3a² - 2a = 4a² - 2a
(In this case the "things" are the a² terms)
4a² - 2a = 2a(2a - 1)

Answer 3

a^2 + 3a^2 - 2a = 4a^2 - 2a= 2a(2a-1)

Answer 4

do you mean
(a)(a) +3a^2-2a ?

if yes, follow this

(a)(a) +3a^2-2a

=a^2+3a^2-2a

=4a^2-2a

=2a(2a-1)

Answer 5

4a(squared) - 2a