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
nydimaria [60]
3 years ago
12

Solve by completing the square: x2 + 10x = 75

Mathematics
1 answer:
GuDViN [60]3 years ago
6 0

Answer:

x= -15, 5

Step-by-step explanation:

x²+10x-75=0

x²+15x-5x-75=0

(x+15)(x+5)=0

x= -15 and x=5

You might be interested in
Simplify. Consider all cases.<br> |14−(x−6)|<br> |14−(6-x)|
S_A_V [24]

Answer:

8+x if x > -8

8 if x = 0

-8-x if x < -8

Step-by-step explanation:

|14−(6-x)|

|14−6+x|

|8+x|

8+x if x > -8

8 if x = 0

-8-x if x < -8

8 0
3 years ago
A poster is shown below: A rectangle is shown. The length of the rectangle is labeled 10 feet. The width of the rectangle is lab
makkiz [27]
The enlarged length is (3/2)*10 ft = 15 ft.
The enlarged width is (3/2)*4 ft = 6 ft.

The dimensions of the enlarged poster are ...
  <span>6 ft by 15 ft</span>
6 0
3 years ago
Read 2 more answers
3a+2(4a-b)<br> please simplify this equation with processing
Alexeev081 [22]

\bf \colorbox{black} {\bf {\textcolor{blue}{topic= }{ \bf { \textcolor{orange}{mathematics= }{ \bf{ \textcolor{cyan}{answer = }}}}}}}

3a+2(4a-b)=

3a+8a-2b=

\bf \textcolor{green}{ \underbrace{11a - 2b}}

<h2>xLasersx✨</h2>
8 0
2 years ago
Please I need help on this
vovangra [49]

Answer:the third one

Step-by-step explanation: so if you are doing that, it is simple. If it is the power of something, then you go left to multiply, and go right to divide. Then, you will get your answer, but when you are done with that, add then subtract . There, you will find your new answer.

7 0
2 years ago
maurice bought a car costing £8248. he paid a deposit of £1975 and 6 monthly instalments of £511. estimate the amount maurice st
NARA [144]

Hello :D

£8000 - £2000 = £6000

6 x 500 = £3000

£6000 - £3000 = £3000

6 0
3 years ago
Other questions:
  • What would be 2 + 7x + 3 − 5x − 1 = ______ plz help
    12·2 answers
  • PLEASE HELP QUICK ASAP
    12·1 answer
  • What are the next 3 numbers in the number sequence?
    15·2 answers
  • Two-fifths of one less than a number is less than three-fifths of one more than that number. What numbers are in the solution se
    7·1 answer
  • 56.8% as fraction or mix number
    8·2 answers
  • Three tins, A, B and C, each contain buttons.
    8·1 answer
  • Jose weighs 180 pounds and plans on gaining 2 pounds per week. Marty weighs 249 pounds and plans on losing 1 pound per week. In
    15·1 answer
  • What is 61 percent of 20
    13·2 answers
  • One over eight divided by two times four​
    13·2 answers
  • Solve the inequality.<br><br> x+5&gt;9
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!