Hey guys I'm here since one week. I mean in america im sorry for my broken english but we got some homewoke and i understand nothing
Factor:
1. x^2-7x-18
2. 4x^2-9y^2
3. 3b^2 +b-10 (
solve:
1. 9t^2+2t=5t^3
2. 3/x + 2/x-1=2
3. 28 <4(5-2x)
4. |20-7x|=8
5. For L: S=pi*r*L+pi*r^2
I have absolutely no idea please help me
