25x+20y=5x(5+4y)
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expressions don't have an equal sign and equations do
Algebraic expressions are the written relations of or between variables. For example, x2, 1/x, and x + y + z are all algebraic expressions. Algebraic equations are simply algebraic expressions that equate to something. For example, x2 = 4, 1/x = y, and x + y + z = 42 are all algebraic equations. In general, one differentiates algebraic expressions from exponential, trigonometric, hyperbolic, and logarithmic expressions by requiring algebraic expressions to be confined to polynomial expressions. I've added a link regarding polynomials below.
The given expressions can't be considered to be equations because there are no equality signs.
yes. equations have an equals signs and expressions don't
An expession has NO equal sign, a equation are to amounts that are equal