Simplify using long division. (Remember to show all your work.)

Mathematics

1 answer:

Leokris [45]3 years ago

6 0

. 8x²+20x
. ______________ first, try to solve the first one...
x-3 ) 8x³ - 4x² -36x -72 so mult x AND -3 by 8x²
. 8x³ -24x² (remember it is substract not add)
------------------------------------
. 20x²-36x-72 Now try to solve the first one again..
. 20x²-60x
------------------------------------
24x-72 Now it is simplified

24x=72
x=3 answer is 3

Hope this helps! Please give me the Brainliest answer if you like it! If you have further questions, you can leave a comment or add me as a friend!

You might be interested in

What would the answer to this question be? A. 40° B. 60° C. 80° D. 100°

Alex777 [14]

Answer:

D. 100°

Step-by-step explanation:

A straight line is 180°. Add 50° and 30° (which is 80°) and subtract the total from 180°.

50 + 30 = 80

180 - 80 = 100

8 0

3 years ago

Read 2 more answers

Will mark brainlist + 30 points .. please help asap!!

zheka24 [161]

Answer:

is 20 is your answer I believe

8 0

3 years ago

Read 2 more answers

How do you simplify this expression? 9x(7-4) (2) +9 the 2 is an exponent

brilliants [131]

Here is a way you can write an exponent on the phone (x^2) just so you don’t have to explain the 2 is an exponent

i am confused on where the exponent is supposed to be so could you please rewrite it and i will help you solve it!

7 0

3 years ago

Properties of exponents Rewrite the expression in the form b^n—— (b^2)^3/7

exis [7]

Answer:

$b^{\frac{6}{7}}$ is the required expression.

Step-by-step explanation:

$(b^2)^{\frac{3}{7}}\\\\\mathrm{Apply\:exponent\:rule:\:}\left(a^b\right)^c=a^{bc},\:\quad \mathrm{\:assuming\:}a\ge 0\\\\=b^{2\cdot \frac{3}{7}}\\\\=b^{\frac{6}{7}}$