Question

Factor the polynomial below.

Answer 1

C

Explanation:

This can be factored using the rule
`a^2-b^2=(a+b)(a-b)`

We can write the question shown as:

`9x^2-16y^2\\=(3x)^(2)-(4y)^2`

Now we take 3x as a, and 4y as b and put it into the formula:

`(3x)^(2)-(4y)^2\\=(3x+4y)(3x-4y)`

Answer choice C is correct.