2 years ago

Simplify the expression 3(x + 2)(x2 − x − 8).

Mathematics

1 answer:

expeople1 [14]2 years ago

8 0

Answer:

3x^3+3x^2-30x -48

Step-by-step explanation:

we apply distributive property

3(x + 2)(x^2 − x − 8)

so we have:

(3*x+3*2)(x^2 − x − 8)

(3x+6)(x^2 − x − 8)

3x*x^2 - 3x*x -3x*8 + 6*x^2 -6*x -6*8

3x^3-3x^2-24x +6x^2 -6x -48

3x^3+3x^2-30x -48

You might be interested in

I just need the coordinates

Viefleur [7K]

There are no coordinates for an equation like this, you have to just graph the problem. Just try graphing something similar to this (or just include this image). Hope this helps!

4 0

2 years ago

An account earns annual simple interest. find the balance of the account.

I am Lyosha [343]

y=2000(1+.09^2)^1/2

y=2000(1.09^2)1/2

y=2000(1.1881)^1/2

y=2000(1.09)

y=$2180

3 0

2 years ago

A car seller buys a car from a manufacturer for 10,000. He increases the cost by 5 percent. What is the markup amount?

Ksenya-84 [330]

The seller marks up the price by $500, for a grand total of $10,500

7 0

2 years ago

How many meters in 25cm x8

sukhopar [10]

$25cm*8\to \boxed{200cm} \\\\ 1m......100cm\\ x.........200cm \\\\ x=\frac{200cm*1m}{100cm} \\\\ x=1*2m \\\\ \boxed{\boxed{x=2m}}$

6 0

2 years ago

Read 2 more answers

(03.08A)

DiKsa [7]

Answer:

4 + (-5)

Step-by-step explanation:

4 - 5 = 4 + (-5) = -1

Additive inverse of 5 = (-5)

6 0

1 year ago