3 years ago

Factor this expression: mn - 4m - 5n + 20

Mathematics

1 answer:

andrey2020 [161]3 years ago

6 0

Answer:

(m-5) (n-4)

Step-by-step explanation:

mn - 4m - 5n + 20

We will factor by grouping

mn -5n -4m +20

Factor an n out of the first 2 terms and a -4 out of the last 2 terms

n (m-5) -4(m-5)

Now factor out a m-5

(m-5) (n-4)

You might be interested in

If the area of a square is 32 ft2, how long is its diagonal?

Tema [17]

Diagonal = 8

D=diagonal

A=area

A=D^/2

32=D^/2

32/1 = D^/2

cross multiplication

32x2=D^x1

64=D^

8 =D

7 0

3 years ago

Solve for x. 4−(2x+4)=5

WITCHER [35]

$4-(2x+4)=5\\-2x-4=1\\-2x=5\\x=-2.5$

Put it back into the equation,

$4-(2x+4)=5\\4-(2(-2.5)+4)=5\\4-(-5+4)=5\\4-(-1)=5\\5=5$

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

3 0

3 years ago

Can someone please help me with these math problems

yuradex [85]

Answer: 138

Step-by-step explanation:

5 0

3 years ago

The measures of the angels of a triangle are show. In the figure below solve for x

Shalnov [3]

Answer:

Step-by-step explanation:

90+36= 126

180-126= 54

5 0

3 years ago

A grocer wants to mix two kinds of coffee. One kind sells for $1.55 per pound, and the other sells for $2.80 per pound. He wants

anastassius [24]

9.5 or 9 1/2 if you want them both to be an equal mix

7 0

3 years ago