Question

1.Simplify 12√18 - 6√20- 3√50 + 8√45

Answer 1

Answer:

the answer is :56.5313005398

Answer 2

12*3√2-6*2√5-3*5√2+8*3√5

36√2-12√5-15√2+24√5

36√2-15√2+24√5-12√5

21√2+12√5

3(7√2+4√5)