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

2 the square root of 7 times x + the square root of 7 times x - 3 the square root of 7 times x - 7

Question

Aimee Hogan

Mathematics

4 May, 05:05

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

2 the square root of 7 times x + the square root of 7 times x - 3 the square root of 7 times x - 7

+1

Answers (1)

Know the Answer?

Donovan Banks · Answer 1

Here's the expression based on your question:

2√7x + √7x - 3√7x - 7 =

3√7x - 3√7x - 7 =

0-7 =

-7

The correct answer is - 7. You can easily subtract 2√7x, √7x, and 3√7x because they all have √7x in common, so it's basically the same as subtracting simple numbers 2, 1, and 3.

Find the exact value of the radical expression in simplest form.2 the square root of 7 times x + the square root of 7 times x - 3 the square root of 7 times x - 7

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

2 the square root of 7 times x + the square root of 7 times x - 3 the square root of 7 times x - 7