The first three steps of completing the square to solve the quadratic equation x^2+4x-6=0 are shown below.

Step 1: x^2+4x=6

Step 2: x^2+4x+4=6+4

Step 3: (x+2) ^2=10

What are the next 3 steps?

Question

Mathematics

Finley Woodard

22 July, 15:01

The first three steps of completing the square to solve the quadratic equation x^2+4x-6=0 are shown below.

Step 1: x^2+4x=6

Step 2: x^2+4x+4=6+4

Step 3: (x+2) ^2=10

What are the next 3 steps?

+5

Answers (1)

Know the Answer?

Annabelle Cline · Answer 1

Take the sqrt of both sides of (x+2) ^2=10:

x+2 = plus or minus sqrt (10)

Solve for x: x = - 2 plus or minus sqrt (10)

Evaluate x: x = - 2 + sqrt (10) AND x = - 2 - sqrt (10) (answers)

The first three steps of completing the square to solve the quadratic equation x^2+4x-6=0 are shown below.Step 1: x^2+4x=6Step 2: x^2+4x+4=6+4Step 3: (x+2) ^2=10What are the next 3 steps?

The first three steps of completing the square to solve the quadratic equation x^2+4x-6=0 are shown below.

Step 1: x^2+4x=6

Step 2: x^2+4x+4=6+4

Step 3: (x+2) ^2=10

What are the next 3 steps?