Question

(4x - 3y + 5z) ? expand it​

Answer 1

Step-by-step explanation:

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

=4x^2 - 3y^2 +5z^2 -12xy-30yz+40xz

hope this helps you