Question

√3 * (2√27 - √12) - √75
(3√5 - √8) * (√8 + 3√5) + √48

Answer 1

√3 * (2√27 - √12) - √75  = √3 * 2√27 - √3 * √12 - √25 * √3 =

= 2√81 - √36 - 5√3 = 18 - 6 - 5√3 = 12 - 5√3

(3√5 - √8) * (√8 + 3√5) + √48 = (3√5)² - (√8)² = 45 - 8 = 37