Question

Simplify 12√18-6√20-3√50-8√45

Answer 1

12√18-6√20-3√50-8√45

*Break each radical up into the product of a radical of a perfect square and a second radical*

12(√9*√2)-6(√4*√5)-3(√25*√2)-8(√9*√5)

*Simplify the radicals*

12(3√2)-6(2√5)-3(5√2)-8(3√5)

*Distribute*

36√2-12√5-15√2-24√5

*Combine like terms*

21√2-36√5

Hope this helps!!