• Divide both sides by 2

• Square both sides

• Add 5 to both sides

• Subtract 26 from both sides

To undo a square root in an equation, you need to

• multiply both sides by 2

• square both sides

• take the square root of both sides

• divide both sides by 2

Solve

• 4
• -4
• 100
• 20

• 12

• 4

• 16

• 32

• 2, 7

• 2

• 7

• No Solution

Solve and check your solution.

• 8
• -8
• 0
• no solution

• x²

• x³⋅x⁵

• 8

• 32

• 16

• 40