Sum1 help me with this mf math Hiks ​

Jawaban:

Ada di caranya ya

Penjelasan dengan langkah-langkah:

a:

P – Q

= 7x – 6 – (7x + 6)

= -6 – 6

= –12

b:

P + Q

= 7x – 6 + 7x + 6

= 14x

c:

P : Q

= (7x – 6)/(7x + 6)

d:

P × Q

= (7x – 6) (7x + 6)

= (7x)² – (6)²

= 49x² – 36