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Ch. R - Algebra Review
Lial - Trigonometry 12th Edition
Lial12th EditionTrigonometryISBN: 9780136552161, 9780135440780, 9780136881117, 9780135440827, 9780135924891Non è quello che usi tu?Cambia libro di testo
Capitolo 1, Problema R.2.139

Simplify each expression. See Example 8. 3(k + 2) - 5k + 6 + 3

Guida verificata passo dopo passo
1
First, rewrite the expression clearly: \(3(k + 2) - 5k + 6 + 3\).
Apply the distributive property to \(3(k + 2)\), which means multiply 3 by each term inside the parentheses: \(3 \times k + 3 \times 2\).
This gives \(3k + 6\), so now the expression becomes \(3k + 6 - 5k + 6 + 3\).
Next, combine like terms. Group the terms with \(k\): \(3k - 5k\), and group the constant terms: \(6 + 6 + 3\).
Simplify each group: \(3k - 5k\) becomes \((3 - 5)k\), and \(6 + 6 + 3\) becomes the sum of those constants.

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Distributive Property

The distributive property allows you to multiply a single term by each term inside a parenthesis. For example, in 3(k + 2), multiply 3 by k and 3 by 2 separately, resulting in 3k + 6. This step is essential for simplifying expressions with parentheses.
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Imaginary Roots with the Square Root Property

Combining Like Terms

Combining like terms involves adding or subtracting terms that have the same variable raised to the same power. For instance, terms like 3k and -5k can be combined to simplify the expression. This process reduces the expression to its simplest form.
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Adding and Subtracting Complex Numbers

Simplification of Constants

Simplification of constants means adding or subtracting the numerical values without variables. In the expression, constants like 6 and 3 can be combined to get 9. This step helps in reducing the expression to a simpler numerical form.
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