Chapter 7: Q14. (page 463)

Find each sum or difference.
$(x + 5) + (x^{2} - 3 x + 7)$

Short Answer

Expert verified

The sum of $(x + 5) + (x^{2} - 3 x + 7)$ is $x^{2} - 2 x + 12$ .

Step by step solution

Step 1. Write steps to add polynomials.

Following are the steps to add polynomials.

1. Group like terms.

2. Combine like terms by using horizontal or vertical format.

Step 2. Group like terms.

Group like terms in the given expression.

$x^{2} + (x - 3 x) + (5 + 7)$

Step 3. Combine like terms.

Combine like terms in expression in horizontal format.

$x^{2} - 2 x + 12$

Therefore, the sum of $(x + 5) + (x^{2} - 3 x + 7)$ is $x^{2} - 2 x + 12$ .

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Find each sum or difference.
$(x + 5) + (x^{2} - 3 x + 7)$

Short Answer

Step by step solution

Step 1. Write steps to add polynomials.

Step 2. Group like terms.

Step 3. Combine like terms.

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Find each sum or difference.x+5+x2−3x+7

Short Answer

Step by step solution

Step 1. Write steps to add polynomials.

Step 2. Group like terms.

Step 3. Combine like terms.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Probability and Statistics

Pure Maths

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Calculus

Applied Mathematics

Study anywhere. Anytime. Across all devices.

Find each sum or difference.
$(x + 5) + (x^{2} - 3 x + 7)$