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Alexandra [31]
2 years ago
14

Factor completely please

Mathematics
2 answers:
nasty-shy [4]2 years ago
8 0

Answer:

it the third one

gladu [14]2 years ago
5 0

Answer:

(c-5)(3+4c)

Step-by-step explanation:

3c-15+4c^2-20c

4c^2-17c-15

Berry Method

4*(-15)=-60

What two numbers multiply by each other to get -60 but add up to -17

-20 and 3

\frac{(4c+3)(4c-20)}{4}

(4c+3)(c-5)

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Which expression is equivalent to m^2-13m-30?
sergiy2304 [10]

Answer: First option

Step-by-step explanation:

You have the quadratic equation given in the problem:

m^2-13m-30

To find an equivalent expression you cacn factorize. Find two numbers whose sum is -13 and whose product is -30.

These numbers would be -15 and 2.

Therfore, you obtain the following equivalent expression:

(m-15)(m+2)

If you don't want to apply the method above, you can use the quadratic formula:

x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}

Where:

a=1\\b=-13\\c=-30

When you susbstitute values you obtain that:

x=15\\x=-2

Then you can rewrite the equation as (m-15)(m+2)

7 0
2 years ago
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Answer the question and prove your answer on a separate piece of paper. 1 point
EastWind [94]

Answer:

as below

Step-by-step explanation:

it's negative 4  or   -4  is the rate of change or aka  the slope

show the teacher the graph, which is free and also online.  ( Demos )

:)  you can make that graph also is my point  

6 0
2 years ago
Which set of lengths might be used to represent the sides of a right triangle?
UNO [17]

Answer:

Step-by-step explanation:

B

3 0
2 years ago
PLEASE HELP!!!! ILL GIVE YOU 10 POINTS IF YOUR ANSWER IS CORRECT!!!!
Cerrena [4.2K]

Answer:

x=-16

Step-by-step explanation:

y=-20

y=x-4

-20=x-4

x=-16

7 0
3 years ago
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Do any of you guys know this please i need helppp!!
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The third one
5/6 is the answer
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