Try another version of this question Multiply and simplify completely: `(x + 9)(x - 9)` Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question `x^2 - 81`
Try another version of this question
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question