Question

expand - 3 x + 4 Y - 5 Z whole square

Answer 1

Here is your answer friend.....
plz mark as brainliest if you are satisfied

Answer 2

-3x^2+4y^2-5z^2+2*-3x*4y+2*4y*5z+2*-5z*-3x

Expanded

But the formula is (a ^2+b^2+c^2+2*a*b+2*b*c+2*c*a)