Question

What is the most logical first step in solving the equation x2 +6x+9 = 10 ?

Answer 1

Combine like terms 2x+6x

Answer 2

Answer:

Subtract 10!

Step-by-step explanation:

Since this is a quadratic equation, it should look like the following

$ax^{2} +bx+c=0$

To solve with completing the square (or the box method) you need to subtract 10 so the equation is set to equal 0!