3 years ago

Factor the following

1 answer:

3 0

(x+2)^2

This can be rewritten as:

(x + 2)(x + 2)

Multiply everything in the second parenthesis by x.

x^2 + 2x

Multiply everything in the second parenthesis by 2.

2x + 4

Add these equations together.

x^2 + 2x + 2x + 4

Combine like terms.

x^2 + 4x + 4

Hope this helps!

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Given that f(x) = x^2 - 11x + 18 and g(x) = x-9, find f(x) + g(x)

liberstina [14]

Answer:

f(x) + g(x) = x² - 10x + 9

General Formulas and Concepts:

Algebra I

Combining Like Terms

Step-by-step explanation:

Step 1: Define

f(x) = x² - 11x + 18

g(x) = x - 9

Step 2: Find f(x) + g(x)

Substitute: f(x) + g(x) = x² - 11x + 18 + x - 9
Combine like terms (x): f(x) + g(x) = x² - 10x + 9

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3 years ago

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Answer:

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Step-by-step explanation:

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Convert the polar coordinates (3, -5 pi/3). to rectangular coordinates.

beks73 [17]

Answer:

See below

Step-by-step explanation:

x = 3 cos (-5pi/3) = 1.5

y = 3 sin (-5pi/3) = 2.598

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3 years ago

Look at the picture

IRISSAK [1]

Answer:

x = 10

Step-by-step explanation:

In the last step, you can see that the fraction $\frac{1}{5}$ has been multiplied by its reciprocal $\frac{5}{1}$ , making it cancel out. The reciprocal has been multiplied to both sides, so all you need to do is multiply $\frac{6}{3}$ · $\frac{5}{1}$ :