Question

Simplify the expression. 9√3(8√3+9√5)

Answer 1

B

Explanation:

first of all we have to multiply 9√3 for each members in the brackets. For do this we have to multiply number x number and roots x roots

(9x8) = 72

(√3)^2 = 3

72 x 3 = 216

9 x 9 = 81

√3 x √5 = √15

81√15

now we have to added up the two results

216 + 81√15