Question

Bantu Jawab dongg plisss Cuma A sampai C doang. Pake Cara yaa yg jelas. materi Aljabar kelas 7
A. 8p - 3 + (-3p) + 8
B. 9m + 4mn + (-12m) - 7mn
C. 2aPangkat2 + 3ab - 7 - 5aPangkat2 + 2ab -4

Answer 1

A. 8p - 3 + (-3p) + 8 = 5p + 5
B. 9m + 4mn + (-12m) - 7mn = -3m - 3mn
C. 2a² + 3ab - 7 - 5a² + 2ab -4 = -3a² + 5ab - 11

Answer 2

A. 8p-3+(-3p)+8
= 8p+(-3p)+8-3
= 5p+5
b. 9m+4mn+(-12m)-7mn
=9m+(-12m)-7mn+4mn
=-3m-3mn
c. (2a)2 + 3ab-7-(5a)2+2ab-4
=4apangkat2-25apangkat2+3ab+2ab-7-4
=-21apangkat2+5ab-11