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
svp [43]
2 years ago
12

Which of the following expressions is equal to -3x^2-12??!!! please help him

Mathematics
1 answer:
Andreyy892 years ago
3 0

Answer:

-3 ( x+2i) (x-2i)

Step-by-step explanation:

-3x^2-12

Factor out a -3

-3(x^2 +4)

Rewrite

-3 ( x^2 - -4)

-3 ( x^2 - (-2i)^2)  This is the difference of squares ( a^2 -b^2 ) = (a-b)(a+b)

-3 ( x- -2i) (x+2i)

-3( x+2i) (x-2i)

You might be interested in
Why is the fraction 6/10 not written 0.06?
Kaylis [27]
Because 10 divided by 6 equals 6 tenths not 6 hundredths
3 0
3 years ago
Read 2 more answers
-2(bx-5)=16 what is the value of x in terms of b and what is the value of x when b is 3?
Savatey [412]
Answer= -54



-2(bx-5)=16

If b is 3, then it changes to -2(3x-5)=16

We want to find x, right? Then we must do -2•3x and -2(-5). The result would be -6x and 10.

Then again, the equation would change -6x+10=16
Which would be -6x=6
Is x=6/6

And then x would be 1


Please tell me what I did wrong and if it is wrong, comment on this and I’ll fix my mistake!^^

7 0
3 years ago
What value of c makes the polynomial below a perfect square? 4x2 + 12x + c?
Tema [17]
This is what we know:4x^2 + 12x + c = (2x + k)^2
<span> 4x^2 + 12x + c = 4x^2 + 2kx + 2kx + k^2 
c=9
</span>
6 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the pair of points (-2.5,6.1) and (-2.5,3.1)
podryga [215]
(-2.5,6.1)(-2.5,3.1).....notice how ur x values are the same. This means that u have a vertical line which has an undefined slope.

IF ur y values would have been the same, u would have had a horizontal line which has a 0 slope.
5 0
2 years ago
How to write 12/4 as a whole number
My name is Ann [436]

Answer:

3

Step-by-step explanation:

12 Divided By 4 Is 3

And 3 Is A Whole Number

3 0
2 years ago
Read 2 more answers
Other questions:
  • Write a rule in coordinate notation that translates a figure 7 units to the right and 3 units down
    10·2 answers
  • Solve the formula for converting temperature from degrees Celsius to
    15·1 answer
  • Solve the following equation?<br> 6x-9+5x+8=4x+9+7x-10
    13·1 answer
  • A regular hexagon inscribed in a circle is approximately 0.827 times the area of that same circle. What percentage of the circle
    10·1 answer
  • Please help immediately ​
    15·1 answer
  • During a recent rainstorm, 888 centimeters of rain fell in Dubaku's hometown, and 2.362.362, point, 36 centimeters of rain fell
    5·2 answers
  • 16 7 9 2 6 8 16 11 x5 x8 x9 x 7 x 4 x 3 x 6 x 5. X4 0 2. 4 5 2. 5 33 15 7 x3 X1 x 7 x9 x 3 x22 x4 x6 x6 8 8 3 5 8 4. 4 x 7 X4 x3
    8·1 answer
  • PLEASE HELP ITS A TIMED TEST!!!
    8·1 answer
  • Find the missing angle.<br> 65<br> 50<br> 60<br> 35
    12·2 answers
  • Find the value of x in the triangle shown below.
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!