Which method is correct when finding the product of (x − 3)2? Justify your answer in complete sentences.

Method 1
(x − 3^)2
(x − 3)(x − 3)
x2 − 6x + 9

method 2

(x − 3)^2
x^2 − 3^2
x^2 − 9

Question

Which method is correct when finding the product of (x − 3)2? Justify your answer in complete sentences.

Method 1
(x − 3^)2
(x − 3)(x − 3)
x2 − 6x + 9


method 2

(x − 3)^2
x^2 − 3^2
x^2 − 9

anonymous · Answer

It is the first one because the power of 2 is attached to the whole (x-3).

anonymous · Answer

The first one...

anonymous · Answer

Method 1 is the correct method

anonymous · Answer

$$(x-3)^2 = (x-3)(x-3) = x^2 + 9 - 6x$$