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

##### 1 Answer

Nov 26, 2017

#### Explanation:

#•color(white)(x)i^2=(sqrt(-1))^2=-1#

#"expand using FOIL and simplify"#

#=8+6i+4i+3i^2#

#=5+10i#

Nov 26, 2017

#•color(white)(x)i^2=(sqrt(-1))^2=-1#

#"expand using FOIL and simplify"#

#=8+6i+4i+3i^2#

#=5+10i#

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