Question

Evaluate

24 ÷ 2a + 4b² - 6a; a = 4 and b = 5

Answer 1

124

Explanation:

To solve this problem, plug in the given a and b values for the variables, then simplify the expression using the order of operations (PEMDAS).

`24 / 2a + 4b^2 - 6a`
`a=4`
`b=5`

↓ plugging in the
`a` and
`b` values

`24 / 2(4) + 4(5)^2 - 6(4)`

↓ simplifying the exponent

`24 / 2(4) + 4(25) - 6(4)`

↓ simplifying each term individually

`\left[\frac{}{}(24 / 2)(4)\frac{}{}\right] + \left[\frac{}{}4(25)\frac{}{}\right] - \left[\frac{}{}6(4)\frac{}{}\right]`

`12(4) + 100 - 24`

`48 + 100 - 24`

↓ completing the addition and subtraction

`148 - 24`

124