Simplify (4-3v(2))^2

Question

(4-3√(2))^2

Answer 1

(4-3√2)^2

=(4-3√2)*(4-3√2)

=4*4-4*3√2-3√2*4+(-3√2)*(-3√2)

=16-12√2-12√2+18

=34-24√2

Answer 2

Hi Jonathan, to simply this expression, change it to the multiplication of two binomials. 

 

(4 - 3√2)² = (4 - 3√2) * (4 - 3√2) = 16 - 12√2 - 12√2 + (9 * 2)

 

                                                    = 16 - 24√2 + 18

                                                  

                                                    34 - 24√2

 

Questions?