# Help writing algebraic expressions

So the product of negative 1 and x, that's just going to be negative 1x, which is the same thing as negative x. Consider the phrase "8 less than t. Writing multi-part algebraic expressions Some expressions are slightly more complicated than the ones we looked at on the last page.

Writing simple expressions Before you can tackle complex word problems, you need to know how to translate simple problems into algebra. This is the frustrating part. Either of the two above is a correct answer.

### Writing expressions practice

So it is negative 7 plus 8x. Now, we just have to arrange things in the right order. In addition, when you encounter this math word difference make sure to pay attention to the order. We will divide an unknown number by 7. First, we notice that "quotient" means the answer to a division problem, so our expression needs to include a division sign or a fraction bar: Writing algebraic expressions for multiplication is especially fun because we can be a bit lazy. Now this one. In other words, we need to add 4 and 2 first, then multiply that number by 5. We'll start with simple word problems, then move on to slightly more complex ones. Selecting the letter m as our variable, the algebraic expression for this math phrase is simply 5m.

Like with addition and subtractioneach of these other forms of value manipulation come with their own terms that help identify which type of operation their Algebraic expression is performing — words like times and multiplied by trigger multiplication while words like over, divided by, and split into equal groups denote division expressions.

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## Help writing algebraic expressions

It means 5 times the unknown number m. This is the frustrating part. So that's going to be plus 1. Question: How can you express the expression "two times the difference between n and five? Since we don't know the value of x and we don't have a value equivalent to our expression , we stop here. Other Forms of Algebraic Expressions Multiplication , division, exponentials , and parentheticals are all part of the ways in which Algebraic expressions function, all of which follow an order of operations when presented together. Or we can just write this-- this is the exact same thing as negative 6 minus x.

So I can just write 8x over there. Once students learn these four basic forms of Algebraic expressions, they can then begin to form expressions that contain exponentials a number multiplied by itself a designated number of times and parentheticals Algebraic phrases which must be solved before performing the next function in the phrase. Tips and Tricks We've got to be really careful with subtraction.

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