It is (a + 9).
It is an expression.
They are two terms of an expression in the form of: x+9
3 plus x = 9
There are 3 terms in the algebraic expression of: 3y+9+7x
(2m + 1)(8m + 9)
The expression 9+5 is equivalent.
2x
The expression is 36n^2 - 81.
9(8 + 1)
The expression can be simplified to: 12x-9
X+9
It is 9