Answer:
−11b^2+8b−4
Step-by-step explanation:
−4b2+6b−9−7b2+2b+5
Simplify by adding terms.
11b2+8b−4
Infinity Many Solutions
Write above. Thank me tomorrow when it’s right
- Harvard university professor
1) 50x30
2) 2000+409
3) 500+800
Hope it helps.....................
All you have to do is divide the left side of the ratio by 5 and the right side of the ratio by 7. The one that comes out even on both sides is the correct one.