# How do you solve #m^ { 2} + 3= 12#?

##### 2 Answers

Apr 6, 2017

#### Explanation:

Apr 6, 2017

#### Explanation:

#"subtract 3 from both sides of the equation"#

#m^2cancel(+3)cancel(-3)=12-3#

#rArrm^2=9#

#"take the "color(blue)"square root of both sides"#

#sqrt(m^2)=+-sqrt9#

#rArrm=+-3#