2 years ago

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

Mathematics

1 answer:

Shalnov [3]2 years ago

8 0

Answer:

D

Step-by-step explanation:

The logical step is to factorize the left side of the equation, which becomes:

(x + 3)² = 10

Then, you can take the square root on both sides.

x + 3 = ±√10
x = ±√10 - 3

Not asked, but good to understand the procedure regardless.

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