👤

12. Which case of factoring does the expression x²– 121 belong?
A. Common Monomial Factor
C. Quadratic Trinomial
B. Difference of two Squares
D. Perfect Square Trinomial
13. Which case of factoring does the expression x²-16x + 64 belong?
A. Common Monomial Factor
C. Quadratic Trinomial
B. Difference of two Squares
D. Perfect Square Trinomial​