Question

Select the expression that is equivalent to (x-3)^2

Answer 1

The answer is C. X^2-6x+9

Answer 2

C.
`x^2-6x+9`

Explanation:

We have the expression
`(x-3)^2` we can rewrite it as:

`(x-3)^2=(x-3)(x-3)` and solve it with distributive property or we can use the formula to multiply a binomial by itself. The formula is:

`(a+b)^2=a^2+2ab+b^2`

or

`(a-b)^2=a^2-2ab+b^2`

Then:

`(x-3)^2=x^2-2.x.3+3^2\\(x-3)^2=x^2-6x+9`

The correct option is C.
`x^2-6x+9`