Which factorization is equivalent to this expression? 81x - 36
To find the equivalent factorization of the expression 81x - 36, we need to factor the common factor out from both terms.
Both 81x and 36 can be divided by 9:
81x = 9 * 9 * x
36 = 9 * 4
Therefore, the equivalent factorization of 81x - 36 is 9(9x - 4).