Question

(p+q)(r+s)+(p-q)(r-s)-2(pr+qs) Simplify

Answer 1

☆Hello my friend☆

(p+q)(r+s)+(p-q)(r-s)-2(pr+qs)
pr+ps+qr+qs+pr-ps-qr+qs-2pr+2qs
2pr+2qs-2pr+2qs
4qs

$hope \: it \: helps$

☺☺☺

Answer 2

Answer:

hi my friends

Step-by-step explanation:

(p+q)(r+s)+(p-q)(r-s)-2(pr+qs)

pr+ps+qr+qs+pr-ps-qr+qs-2pr+2qs

2pr+2qs-2pr+2qs

4qs

this is the correct answer,