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 Amsco Integrated Algebra I: Evaluating Algebraic Expressions
This is a free lesson from our course in Amsco's Integrated Algebra
This lesson explains how to evaluate an algebraic expression. An algebraic expression is made up of the signs and symbols of algebra. These symbols include the numerals, literal numbers, the signs of operation, and so on. Such an expression represents one number or one quantity. E.g. the sum of 5 and 4 is one quantity, that is, 9, the sum of a and b is one quantity, that is, a + b. Similarly p/q, pq, p+q etc. are algebraic expressions each of which represents one quantity or number. In order to evaluate replace variables in the expression by specific values and then follow the order of precedence of operations to solve the expression. (More text below video...)
<h2>Evaluating Algebraic Expressions</h2> <p>evaluation,algebric expression,variable,specific values,operators,precedence of operators,video,Amsco,integrated,algebra1</p> <p>how to evaluate an algebric expressions</p>
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(Continued from above) For Example: if you evaluate 50-3x, when x=7, the result is 29. The recommended steps are:
• replace the variables by the given values.
• evaluate the expression within the grouping symbols such as parentheses, simplifying the expressions in the innermost groupings first.
• simplify all powers and roots.
• multiply and divide, from left to right.
• add and subtract, from left to right.
The video above will explain in detail with the help of several examples.

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