Solving Equations with Two Radicals

Solve.

• x = -7

• x = 7

• x = -11

• no solution

Solve.

• x = 2.4

• x = 7

• x = -1

• no solution

• x = 6, x = -1

• x = -6, x = 1

• x = 1

• x = 6

• Step 1: divide both sides by 2
• Step 1: add 9 to both sides

• 45
• 55/3
• 5
• 189

• 5

• 33

• 85

• 21

• Step 1: subtract both sides by 8
• Step 1: add 6 to both sides
• Step 1: Divide both sides by 8
• Step 1: Divide both sides by 6

Solve the radical equation. Don't forget to check your answers!

• 2

• 1

• -1

• 8

• x = -2
• x = 22
• x = 1
• x = 2

Solve for k.

• k = -180

• k = 90

• k = 180

• k = 360