Whoever gets this right in 2 mins gets brainliest!
a student is asked to factor, if possible, the given expression. the student's response demonstrates which common misconception? simplify: a2 + b2
student's response: (a + b)(a − b)

a. simplifying like terms
b. applying integer rules
c. simplifying rational exponents
d. applying the difference of squares algorithm on a sum of squares