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3 years ago

Expand and simplify (x − 2)(x - 1)

Mathematics

2 answers:

bearhunter [10]3 years ago

7 0

Answer:

x^2 - 3x + 2

Step-by-step explanation:

x times x is x^2

x times - 1 is -1x

-2 times x is -2x

-2 times -1 is 2

x^2 - 3x + 2

denis23 [38]3 years ago

4 0

Answer:

Expand the polynomial using the FOIL method.

 

x^2−3x+2

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3 years ago

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3 years ago

Which of the following is an equation of the line through (2,3) and (-1, -12)?

SSSSS [86.1K]

Answer:

C (y=5x-7)

Step-by-step explanation:

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3 years ago

Find the slope of the line that passes through the following points. Write "undefined" if the slope is undefined.

Katyanochek1 [597]

The slope of the line that passes through the following points is undefined

Solution:

Given that, We have to find the slope of line passing through two points

Given points are (-1, 5) and (-1, 6)

The slope of line is given by formula:

$m = \frac{y_2-y_1}{x_2-x_1}$

From given,

$(x_1, y_1) = (-1, 5)\\\\(x_2, y_2) = (-1, 6)$

Substituting the values we get,

$m = \frac{6-5}{-1-(-1)}\\\\m = \frac{1}{-1+1}\\\\m = \frac{1}{0}$

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3 years ago

One number is 3 less than 5 times another number. The sum of the numbers is 27. What are the two numbers? Enter your answers in

kaheart [24]

x ,y are the numbers

x = 5y-3

x+y = 27

substitute first equation into the second

(5y-3) +y =27

combine like terms

6y-3=27

add 3 to each side

6y=30

divide by 6

y=5

x = 5y-3

x=5*5-3

x=22

the two numbers are 22 and 5

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3 years ago

Expand and simplify (x − 2)(x - 1)​

Expand and simplify (x − 2)(x - 1)