Question

(2root 2 + 3 root 3 )(2 root 2 - 3 root 3)

Answer 1

Step-by-step explanation:

(2root2)^2-(3root3)^2

=8-27

=-19

Answer 2

Answer:

(2√2+3√3)*(2√2-3√3)

=2*1.414+3*1.732)(2*1.414-3*1.732)

=)2.828+5.196)(2.828-5.196)

=8.024*(-2.368)

= -19.000832