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2 years ago

Practice simplifyin

Mathematics

1 answer:

Andrei [34K]2 years ago

3 0

Answer:

Step-by-step explanation:

6x(x+3)(x-2)

6x(x^2+3x-2x-6)

6x(x^2+x-6)

6x^3+6x^2-36x

------------------------

3(x-2/x+9)

3x-6/x+27

3x^2/x-6/x+27

(3x^2-6)/x+27

(3x^2-6)/x+27x/x

(3x^2-6+27x)/x

-----------------------------

0*2x=0

------------

x-3=x-3

-----------

2x=2x

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x-9=x-9

-------------

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ratelena [41]

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Step-by-step explanation:

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2 years ago

Perform the indicated operation to write given polynomial in standard form: (x+ 2)(2x^2 − 5x+7)

Elan Coil [88]

Answer:

So the expression in standard form will be $2x^3-x^2-3x-14$

Step-by-step explanation:

We have given expression $(x+2)(2x^-5x+7)$

We have to write this expression in standard form

For writing in standard form first we have to multiply the expression

So after multiplication number $(x+2)(2x^2-5x+7)=2x^3-5x^2+7x+4x^2-10x-14=2x^3-x^2-3x-14$

So the expression in standard form will be $2x^3-x^2-3x-14$

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3 years ago

How do you know if two line segments are perpendicular

Marina86 [1]

Answer: C. Their slopes are negative reciprocals

Step-by-step explanation:

The slopes of two perpendicular lines are negative reciprocals of each other.

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2 years ago

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nadezda [96]

Answer: 21 questions

Step-by-step explanation:

Turn it into a number sentence.

72% of x amount of questions is 15

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x= 21 questions

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2 years ago

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Aloiza [94]

Answer:

1/2

Step-by-step explanation:

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2 years ago