Question

10(1-7k) + 8( k+9)

Explain please

Answer 1

Explanation:

`= 10(1 - 7k) + 8(k + 9)`

Sort the expression in descending order....

`= 10( - 7k + 1) + 8( k + 9)`

Now multiply....

`= - 70k + 10 + 8k + 72`

Organize the similar terms...

`= - 70k + 8k + 10 + 72`

`= - 62k + 82`

hope it helped !!!