Question

Which method is correct when finding the product of (x − 3)2?

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

Method 2
(x − 3)^2
x^2 − 3^2
x^2 − 9

Answer 1

METHOD 1

Answer 2

the first one or (a-b)^2 = a^2 -2ab + b^2

Answer 3

can you tell me why

Answer 4

Alisha explained it perfectly

Answer 5

but in the question you wrote it wrong (x − 3)2 !! u mean (x-3)^2

Answer 6

because its a rule we use

Answer 7

aha, i didn't knew.