Flashcard 15 - Mathematics: Algebraic Reasoning Flashcard Set for the TSIA2

A student’s first three steps to solve a radical equation are shown below. In which step does the student make his first mistake?

Equation: \(\sqrt{x+5} = 3\)

Step 1: \((\sqrt{x+5})^{2} = (3)^2\)
Step 2: \((x+5)^2 = 9\)
Step 3: \(x+5 = 3\)