Question

Simplify

Sqrt 3 ( sqrt 6 + sqrt 15)

Pls explain how u did it!

Answer 1

Explanation:

√ 3 ( √ 6 + √ 15)= √18 + √45

but : √18 = √(9×2) = √9×√2 = 3√2

√45 =√(9×5) = √9×√5 = 3√5

√ 3 ( √ 6 + √ 15) = 3√2+3√5