Question

Directions:For questions 12-16 simplify using the given replacement valued. There should be no decimals, convert all decimals to fractions. (Do not change whole numbers)

Answer 1

Let's simplify the following expression:

`\text{ -4ab - 6b}^2\text{ : a = -3 and b = -4}`

We get,

`\text{ -4ab - 6b}^2`
`\text{ = -4(-3)(-4) - 6(-4)}^2`
`\text{ = -4(12) - 6(16)}`
`\text{ = -48 - 9}6`
`\text{ = -}144`

The answer is -144