How do you evaluate (- 2\cdot \sqrt { 15} ) ^ { 2}?

2 Answers
Mar 25, 2018

60

Explanation:

(-2*sqrt15)^2

Exponentiate (-2*sqrt15) to the power of 2 using power of a product rule,

((-2)^2*(sqrt15)^2)

Exponentiate inner terms,

4*15

Simplify,

60

Mar 25, 2018

60enter image source here

Explanation:

60