Question

Tolong dijawab ya kak, karena besok harus dikumpul:'(

Answer 1

Ket: ^ = pangkat
1. (-4p³q³r)³= (-4³(p³)³(q³)³(r)³
=(-64p^9q^9r^3)
2. (5p^4q^2r^3)^4 =(5^4p^4^4q^2^4r^3^4)
=625p^16q^8r^12
3. (3x+4)²=(3x+4) x (3x+4)
=9x²+12x+12x+16
=9x²+24x+16
4.(5x-7)²=(5x-7) x (5x-7)
=25x²-35x-35x+49
=25x²-70x+49
maaf kalau salah