Respuesta :

Space

Answer:

48

Step-by-step explanation:

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction

Step 1: Define

bc² - b

b = 2

c = -5

Step 2: Substitute and Evaluate

  1. Substitute: 2(-5)² - 2
  2. Exponents: 2(25) - 2
  3. Multiply: 50 - 2
  4. Subtract: 48
Alfpfeu

Answer:

48

Step-by-step explanation:

Hello,

[tex]bc^2-b=b(c^2-1)\\ \\\text{So for b = 2 and c = -5} \\\\2\times ((-5)^2-1)=2\times (25-1)=2\times 24 = 48[/tex]

Thanks