Question

How do you multiply `(4x+6)^2`?

Answer 1

`(4x+6)^2=16x^2+48x+36`

Explanation:

To do such calculations you can use the formula:
`(a+b)^2=a^2+2ab+b^2`

In this case you substitute: `4x` for `a` and `6` for `b` to get:

`(4x+6)^2=(4x)^2+2*4x*6+6^2=16x^2+48x+36`