Question

the expression 12/3+radical 3 is equivalent to

Answer 1

are you aware of this?\[a^2-b^2=(a+b)(a-b)\]

Answer 2

no

Answer 3

how would taht work?

Answer 4

it is commonly called the "difference of two squares" factorisation

Answer 5

how would that plug in?

Answer 6

you can make use of that here as follows:

what would you get if you multiplied \((3+\sqrt{3})\) by \((3-\sqrt{3})\) ?

Answer 7

i did that and i got

Answer 8

9 dont they cancel out?

Answer 9

or would it be radical -9?