How would you solve this? - b²+8b-10=0

The first step to solve this problem is to add 10 to both sides.

Now you would get - b^2 + 8b = 10

The next step is dividing 8 to both sides

Now you would get - b^2 + b = 1.25

Next, you now know that you have a exponent squared. So, the next step is to get rid of the ^2 and take 1.25 and square root that to get 1.12

So now, you would have - b + b = 1.12

Because - b + b is 0, there is no valid answer

Use the formula to find the answer