Question

Simplify √100a² - | -2a |. Assume that "a"is a positive number.

A. 8a
B. 10a
C. 12a

I need help T-T

Answer 1

8a

Explanation:

As the 10a comes out from square root and 2a comes out from modulas then the sign of 2a is negative so we subtracted 2a from 10 a which is equals to 8a

ie

10a-2a=8a