Question

How do you factor `36x^2-49`?

Answer 1

Use the difference of squares equation: `(a^2-b^2)=(a+b)(a-b)`.

Identify `a` and `b`, and substitute the values into the equation.

Explanation:

`36x^2-49` is in the form of the difference of squares: `(a^2-b^2)=(a+b)(a-b)`

`a=6x`
`b=7`

`36x^2-49=(6x+7)(6x+7)`