Sagot :
Answer:
1. 12ab+6ab+10ab=28ab
add mo lang
2. 3x2+6x2+(-5x2)
sa comment ko sasagutan di ko gets eh
ano ba yung x dyan letter or operation??
3. (x²+4x)+(6x²+2x)=7x²+6x
x²+6x²=7x²
4x+2x=6x
4. bat may question mark??
5. (5m-6m+9)+(8m-10m-5)=-3m+4
5m-6m+9+8m-10m-5
5m-6m=-m
-m+9+8m-10m-5
-m+8m=7m
7m+9-10m-5
7m-10m=-3m
-3m+9-5
9-5=4
=-3m+4
Step-by-step explanation:
sana nakatulong:))))