3 years ago

Factor completely -4x^2-28x-48

Mathematics

1 answer:

kompoz [17]3 years ago

3 0

first factor out -4

-4(x^2 + 7x + 12)

then you can factor what is in parenthesis

-4(x+4)(x+3)

You might be interested in

Solve for x. Enter the solutions from least to greatest.<br> x2 – X – 12 = 0

Artemon [7]

Answer:

$x=-3,4$

Step-by-step explanation:

Factorise in order to reveal factors.

$x^2-x-12=0\\(x-4)(x+3)=0$

8 0

3 years ago

Is 7 1/8 grater or less than 7.025

aliina [53]

7 1/8 is greater than 7.025 because if you convert it into a decimal (8 * 7 = 56 + 1 = 57/8 =....) you get 7.125, which is obviously bigger (1>0)

3 0

3 years ago

Read 2 more answers

F(x)= 9-x^2, x ≥ 0. f^-1(x)=??

julia-pushkina [17]

$y=9-x^{2},\ x\ge0$

Reverse $x$ and $y$ :
$x=9-y^{2},\ y\ge0$
Solve for $y$ :
$x=9-y^{2}$
$\rightarrow y^{2}=9-x$
$\rightarrow y=\sqrt{9-x}$ since $y\ge0$

7 0

3 years ago

a school purchsed basketball for $20 each and footballs for $15 each. they a brought a total of 28 for $480 how many of each typ

Contact [7]

Answer:

Step-by-step explanation:

3 0

3 years ago

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

Drupady [299]

The unit rate is $1.25 per pound

6 0

3 years ago