Question

What is the simplest form of the expression?

✓4502 +502 + 425
Assume all variables are positive.

Answer 1

A.
`8x√(5)`

Explanation:

Given:

`√(45x^2) + √(5x^2) + 4x√(5)`

Required:

Simplify

`√(9*5*x^2) + √(5*x^2) + 4x√(5)`

`3x√(5) + x√(5) + 4x√(5)`

Add like terms

`8x√(5)`