Which special case is represented by x^2-121?
A.
the difference of two squares
B.
the difference of cubes
C.
the square of a binomial
D.
the sum of cubes
2 answers
C..i think?
really ?
isn't x^2 a perfect square?
isn't 121 a perfect square ? ---- 11^2 = 121
Don't we subtract (-) to take the difference between 2 numbers?
Now what do you think??
isn't x^2 a perfect square?
isn't 121 a perfect square ? ---- 11^2 = 121
Don't we subtract (-) to take the difference between 2 numbers?
Now what do you think??
1 answer