1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Natasha_Volkova [10]
3 years ago
6

Prove that 3(x+1)(x+7)-2x+5)^2 is never positive

Mathematics
1 answer:
lisov135 [29]3 years ago
5 0

Answer:

Yes, 3(x+1)(x+7)-(2x+5)² is never positive

Step-by-step explanation:

So....

3(x+1)(x+7)-(2x+5)(2x+5)

=3(x²+8x+7)-(4x²+20x+25)

=3x²+24x+21-4x²-20x-25

=-x²+4x-4

You might be interested in
Robyn saves $204 and spends $32.50 on books. She wants to purchase more books from a sale where they cost $8.15 each.
Oksi-84 [34.3K]

Answer: umm I think the best estimate would be$37.38

Step-by-step explanation:

4 0
2 years ago
ILL GIVE BRAINLIEST AND THANKS HELP
Elanso [62]

Answer:

iIm sorry dont report but i do not understand what im answering, but ill take the points thank you

7 0
3 years ago
If we increase the distance traveled over the same period of time, this will
Marina86 [1]

increase the speed is definitely the answer



3 0
3 years ago
Read 2 more answers
Joe borrowed $8,000 on a one year note at 13%. How much will Joe owe when the note comes due? 1040 wasn't right.
SpyIntel [72]
<span>$8,000 x 0.13 = $1040

</span>$8,000 + $1040 = <span>$9,040

answer: </span>$9,040
3 0
3 years ago
WILL GIVE BRAINLIEST AND 70 POINTS
rusak2 [61]
C but I’m not 100% sure
3 0
3 years ago
Read 2 more answers
Other questions:
  • What is the measure of ∠CED?
    5·2 answers
  • If ABC Toys sold 25 “Little Drummer Boys” in June 2012 and ABC Toys has seen a 20% increase in sales of “Little Drummer Boys” ev
    13·2 answers
  • Apollo 8 orbited the moon in a circular orbit. Its average altitude was 185 km above the moon's surface. Create an equation to m
    7·2 answers
  • What is the measure of angle C?<br><br> A 28°<br><br> B 62°<br><br> C 90°<br><br> D. 10°
    7·2 answers
  • The cost of 6 movie tickets is $57.00. What is the cost of 8 movie tickets?
    7·2 answers
  • If I have more 15 Pokemon cards than Austin, which expression shows how many |<br>have?​
    12·1 answer
  • Will give brainliest
    9·1 answer
  • PLS HELP ASAP IM TAKING A TEST THANK YOU!!! :) &lt;3
    15·1 answer
  • Please help 20 points
    15·2 answers
  • A.
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!