Lesson 1, Topic 1

In Progress

# 3EM 1.1 Practice Now (iii)

Solve the following equations, giving your answers to 3 significant figures where necessary.

(iii) \({{\left( \frac{1}{2}x-4 \right)}^{2}}=81\)

Lesson 1, Topic 1

In Progress

Solve the following equations, giving your answers to 3 significant figures where necessary.

(iii) \({{\left( \frac{1}{2}x-4 \right)}^{2}}=81\)

Please confirm you want to block this member.

You will no longer be able to:

- See blocked member's posts
- Mention this member in posts
- Invite this member to groups

Please allow a few minutes for this process to complete.

You have already reported this

## Responses