Question

Simplify the following: a) (√5-4√7) (√7+3√5) b) (√11-4) (√2+3) c) (6√5-2√3) (3√5-2√5) d) (11√2+√2) (√2+3√2)

Answer 1

Answer:

=√5*√7+√5*3√5-4√7*√7-4√7*3√5

=√35+15-28-12√35

= - 11√35-13

Step-by-step explanation:

=√5*√7+√5*3√5-4√7*√7-4√7*3√5

=√35+15-28-12√35

= - 11√35-13

hope this helps