Medium
Simplify: √(432) is equal to which surd form?
Explanation
Explanation
We look for the largest perfect square factor of 432. Since 432 = 6² × 12, we can pull 6² out of the square root as 6. That leaves √12 inside, so √432 = 6√12.
PRO TIP
Re-check your working by substituting the answer back into the original question.