Question

please help its urgent ​

Answer 1

Answer :

option ( b )

x^2 + xy - 2xz - 2yz

x ( x + y ) - 2z ( x + y )

( x + y ) ( x - 2z )

Answer 2

Answer:

P = W / t. The standard metric unit of power is the Watt. As is implied by the equation for power, a unit of power is equivalent to a unit of work divided by a unit of time. Thus, a Watt is equivalent to a Joule/second.