Question

7 root 18-root 27-root3 simplify​ plz write with proof

Answer 1

Step-by-step explanation:

7√18 – √27 – √3

= 7√(3×3×2) – √(3×3×3) – √3

=7×3√2 – 3√3 – √3

= 21√7 – (√3)(3–1)

= 21√2 – 2√3