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3 years ago

Find (x+3) (x^2 - 2x -8). Write answer in standard form

Mathematics

2 answers:

Pavlova-9 [17]3 years ago

8 0

Answer:

x3+x2-14x-24

Step-by-step explanation:

Alex Ar [27]3 years ago

8 0

Answer:

x³ + x² - 14x - 24

Step-by-step explanation:

(x + 3) (x² - 2x - 8) =

= x(x² - 2x - 8) + 3(x² - 2x - 8)

= x³ - 2x² - 8x + 3x² - 6x - 24

= x³ + x² - 14x - 24

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marta [7]

Answer:

$-\frac{5}{4x}$

Step-by-step explanation:

<h2> $\left(-5x^3\right)^3\div \left(10x^5\right)^2$ </h2><h2> $\frac{-5^3x^9}{\left(10x^5\right)^2}$ </h2><h2> $\frac{-5^3x^9}{10^2x^{10}}$ </h2><h2> $\frac{-5^3x^9}{5^2\cdot \:2^2x^{10}}$ </h2><h2> $\frac{-5x^9}{2^2x^{10}}$ </h2><h2> $\frac{-5}{2^2x}$ </h2>

$-\frac{5}{4x}$

- hope it helps! -

<h2 />

3 0

2 years ago

su ling started an art project with 1 yard of felt. she used to 2/6 yards on Tuesday and 3/6 yards on Wednesday. how much felt d

Natasha_Volkova [10]

1/6 yards. All you have to do is add the two upper numbers (numerator) ans then subtract 6/6 - 5/6

5 0

4 years ago

Read 2 more answers

Please help. Marika is training for a race.

Anika [276]

Let's call n the number of days Marika's been training for the race, and $a_n$ the distance she runs on the nth day in meters. After the first day, when n = 1, she runs 100 meters, so

$a_1=100$

On the second day, she runs an additional 4 meters, on the third day, another 4, and so on. Here's what that looks like mathematically:

$a_2=100 + 4\\a_3=100 + 4 + 4\\a_4=100+4+4+4$

It would be easier to write this continued addition as multiplication, in which case those same equations would look like

$a_2 = 100 + 4(1)\\a_3 = 100 + 4(2)\\a_4=100+4(3)$

Notice that, in every case, the number 4 is being multiplied by is 1 less than n. We could even write for our first term that $a_1=100+4(0)$ . In general, we can say that