Respuesta :
Step-by-step explanation:
[tex] {b}^{2} + 8b - 6 \\ {5}^{2} - 8 \times 5 - 6 \\ 25 - 40 - 6 \\ = - 21[/tex]
Answer:
59
Step-by-step explanation:
This is a substitution question
So we will have to solve by substituting the given value into the equation
So let's solve
b^2-8b-6
And b is given to be-5
So let's substitute
(-5)^2-8(-5)-6
25+40-6
65-6
59
Therefore the final answer is 59