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Terms of 5x^2 - 3x + 2

Step by step, with the reason for every step · Parts of an expression · Algebra 1

Step by step

The question

Question: name the terms, the coefficients and the constant of 5x² − 3x + 2.

5x2 − 3x + 2

1 Split into terms

Terms are the parts between the + and − signs.

Each sign stays with the term after it.

So the terms are 5x², −3x and 2.

= terms: 5x2, −3x, 2

Careful!

The minus sign goes with the term.

It is −3x, not 3x.

Careful: not 3x ✗

2 Name each part

A coefficient is the number in front of a letter: 5 for x² and −3 for x.

A constant has no letter: 2.

= coefficients: 5, −3 constant: 2

3 Check

Let's check: put the terms back together.

5x² plus −3x plus 2.

Adding a negative is taking away.

We get 5x² − 3x + 2 again.

So the answer is right!

5x² + (−3x) + 2 = 5x² − 3x + 2

Let's look back.

First: split into terms.

Then: name each part.

Last: check.

Answer
= coefficients: 5, −3 constant: 2

Your turn

Try this one yourself, then check:

Name the terms, the coefficients and the constant of 7x2 − 8x + 9
Show the answer
coefficients 7, −8; constant 9

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