Jessica solved the radical equation square root of quantity a plus 4 end quantity equals 7 period Her math work is shown in the table. Step Justification
square root of quantity a plus 4 end quantity equals 7 Given
Step 1 square root of quantity a plus 4 end quantity all squared equals 7 squared Square both sides
Step 2 a + 4 = 14 Simplify
Step 3 a + 4 − 4 = 14 − 4 Subtract 4 from both sides
Step 4 a = 10 Simplify
Step 5 square root of quantity 10 plus 4 end quantity does not equal 7 Check for extraneous solutions
In which step did Jessica make her first error?

Group of answer choices

Step 1

Step 2

Step 3

Step 5