3 years ago

Which expression shows the correct multiplication of the following polynomilas? 3x(6x^2-3x+7)

Mathematics

1 answer:

snow_tiger [21]3 years ago

8 0

Answer: 18x^3-9x^2+21x

Solution:

3x(6x^2-3x+7)=

Applying the distributive property in the multiplication to eliminate the parentheses:

(3x)(6x^2)+(3x)(-3x)+(3x)(7)=

(3*6)x^(1+2)+3*(-3)x^(1+1)+(3*7)x=

18x^3-9x^2+21x

You might be interested in

Allison has five times as many baseball cards and football cards in all she has 120 baseball and football cards how many basebal

ValentinkaMS [17]

I think you do 120 divided by 5, but I could be wrong.

6 0

3 years ago

Thursday<br>Every row and column must add<br>to 24. Use only 4 through 12.<br>be<br>on

maw [93]

Answer:

12 two times or 4 eight times

7 0

3 years ago

What is the solution to the system of equations ?

Fudgin [204]

Answer:

A solution to a system of equations means the point must work in both equations in the system. So, we test the point in both equations. It must be a solution for both to be a solution to the system. Hope this helps.

7 0

3 years ago

Read 2 more answers

Ms. Alders has $50 to buy prizes for the treasure box in her classroom. She bought 12 packages of stickers, 8 boxes of pencils,

IceJOKER [234]

The answer is $10

if you add up the total price for each of the items it totals to $40, she has $50 so $50-$40=$10

6 0

3 years ago

Cost of a New Car From 1970 to 1990, the average cost of a new car, C

Lunna [17]

Answer:

In year 1986 the average cost of car is $12,000

Step-by-step explanation:

Cost function:

C = 30.5t² + 4192

Cost = $12,000

Find:

Year

Computation:

C = 30.5t² + 4192

12,000 = 30.5t² + 4192

t = 16 year

So,

Year 1970 + 16 year

1986

So, In year 1986 the average cost of car is $12,000

3 0

3 years ago