How do I solve for (2√5−√3)^2?

Step-by-step explanation:

So we want to simplify:

Note that this is in the format:

And we know that this is the same as:

Let 2√5 be a and let √3 be b. Thus:

Simplify:

And this cannot be simplified any further.

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!