Answer:
Step-by-step explanation:
hello :
19=3s+4
19-4 = 3s+4-4
3s=15
s=15/3
s=5
Multiplication
Simplified: -4u? + 5u^2 - 5u - 3
Answer:from crud v4v
l rfnv u4hf u4ihfcfnoijn3
