Question

Need work shown for this please.

7√144 - 11√45 + 6√500

Answer 1

Explanation:

7√144 - 11√45 + 6√500

= 7(12) - 11√(9×5) + 6√(100×5)

= 84 - 11(3)√5 + 6(10)√5

= 84 - 33√5 + 60√5

= 84 + 27√5

Answer 2

7√144 - 11√45 + 6√500 = 84 + 27√5

Explanation:

7√144 - 11√45 + 6√500

= 7(12) - 11(√9×√5) + 6(√100×√5)

= 84 - 33 √5 + 6(10×√5)

= 84 - 33 √5 + 60√5

= 84 + 27√5