5b 2 +10b−3=−4

Sure, let's solve the equation step by step:

1. First, let's rewrite the equation: 5b + 2 + 10b - 3 = -4
2. Combine like terms: 15b - 1 = -4
3. Add 1 to both sides of the equation to isolate the term with b on one side: 15b = -3
4. Finally