3 years ago

How do I simplify the form of expression? (4x + 5)(x - 7) - 4x^2 + 10x = 9

Mathematics

1 answer:

aleksklad [387]3 years ago

5 0

Answer: 3.384

Step-by-step explanation: first expand to remove the brackets

4x^(2)-23x-35-4x^(2)+10x-9=0.

-13x-44=0

x=44/13

x=3.384

You might be interested in

Circle O has a circumference of approximately 250 ft

Varvara68 [4.7K]

Answer:

80 feet

Step-by-step explanation:

c=d $\pi$

Substitute 250 in for circumference

250= $\pi$ d

Divide by $\pi$ or 3.14

d=79.617...

So, the diameter is approximately 80 feet

Hope this helps! :)

8 0

3 years ago

Plzz help me on this <br> write .219 in word form!?? <br> plzz help me on that

Ulleksa [173]

Point two one nine, however, decimals below 1 usually have a zero before the decimal point.

4 0

3 years ago

Read 2 more answers

What is the median,mode, and mean of 76,76,77,84,85,89

bogdanovich [222]

76 is the mean for this problem

4 0

3 years ago

The total dinner bill at a buffet came out to $589 for 31 people.About how much was the buffet cost per person?

mihalych1998 [28]

Answer:

19 dollars

Step-by-step explanation:

To find out how much the cost was for each person, you take the total cost and divide by the number of people...

589/31

=19

3 0

3 years ago

Express this equation in logarithmic form. y = 10^x<br><br> x = ?

Lana71 [14]

From definition we have:

$$x=\log_{10}y$

8 0

3 years ago