Question

hey everyone pls answer the question ​

Answer 1

Answer:

1) 2p+q, -p-5q and 3p + 7q

=(2p+q) +(-p-5q) +(3p+7q)

=2p+q-p-5q+3p+7q

=2p-p+3p+q-5q+7q

=4p+2q is the correct answer

2) 3x+2y-5z, and 2x-5y+4z

=(3x+2y-5z) +(2x-5y+4z)

= 3x+2y-5z+2x-5y+4z

=3x+2x+2y-5y-5z+4z

= 5x-3y-z is the correct answer