Because like any religion there are going to be disagreements about interpretation anf who is in charge. so there are of shoots or different schools of thought within the religion.it is the same in Christianity.
An algebraic expression does not contain an equality sign. Acting is a form of "expression".
What are the choices?
All expressions DO contain equals signs.
No an algebraic expression does not contain an equal sign.
It is an algebraic expression.
It could
letters
It is an expression because it does not contain an equality sign.
an algebraic expression
An expression.
An algebraic expression has two or more terms and does not contain an equality sign.
It is an expression because it does not contain an equality sign.