Question

simplify(√3-2√5) (2√3-√5)​

Answer 1

Answer:

(3-2✓5)(2✓3-✓5)

=2×3-✓15-4✓15+2×5

=6+10-5✓15

=16-5✓15 (solved)

Answer 2

Given = (√3-2√5) (2√3-√5)

= 2√3×√3-√3×√5-2√5×2√3+2√5×√5

= 6-√15-4√15+10

= 16-5√15.