Question

Which equation results from isolating a radical term and squaring both sides of the equation for the equation

c-2-Nc -5?
O c- 2-25+c
O c- 2-25-c
O c- 2 - 25+ c- 10/c
O c- 2 -25+c+10v/c




Hurry I need help

Answer 1

4th option

Explanation:

• √(c - 2) - √c = 5

Bring the negative radical on the left to the other side to make it positive.

• √(c - 2) = 5 + √c

Square both sides.

• [√(c - 2)]² = [5 + √c]²
• c - 2 = 25 + c + 2(5)√c
• c - 2 = 25 + c + 10√c