Question

Find the exact value of the radical expression in simplest form.

Answer 1

\[2\sqrt{7} + \sqrt{7x} - 3\sqrt{7x} - 7\]

Answer 2

Add the like radicals.

Answer 3

are those x's ment to be under the radical sign?

Answer 4

Think of sqrt7x as a variable "a". What is a - 3a?

Answer 5

yes

Answer 6

2

Answer 7

a - 3a \(\ne\) 2a

Answer 8

ok

Answer 9

so what would the answr be parth?

Answer 10

What is a - 3a?

Answer 11

2a

Answer 12

so the answer is -7?