# How do you simplify #(2-3i)(4+i)#?

##### 1 Answer

Feb 5, 2016

To simplify this expression, multiply top and bottom by the complex conjugate,

#### Explanation:

To simplify an expression like this, we multiply top and bottom of the fraction (denominator and numerator) by the complex conjugate of the bottom (numerator). For a complex expression

Note that

But since