Kimberly solved -3x^2- 12 = 0 using the steps below.
Equation: -3x^2- 12 = 0
Step 1: -3x^2= 12
Step 2: x^2= -4
Step 3: x= +2
Did Kimberly solve the quadratic equation correctly? If not, which step is mathematically incorrect?
Kimberly solved the quadratic equation correctly.
Kimberly made a mistake in step 1
Kimberly made a mistake in step 2.
Kimberly made a mistake in step 3.
