Question

-3 + 9(1 - 7r) Simplify each expression. Please explain the steps so i can understand!

Answer 1

`\dashrightarrow \: { \tt{ - 3 + 9(1 - 7r)}}`

• open brackets following distributive property:

`\dashrightarrow \: { \tt{ - 3 + 9 - 63r}}`

• simplify:

`\dashrightarrow \: { \tt{6 - 63r}}`