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Veseljchak [2.6K]

4 years ago

11

How many answers are in each of these three questions: 1. x squared minus three x plus four equals zero 2. Two x squared plus fo

ur x minus five equals zero 3. X squared plus eight x plus sixteen equals zero

1 answer:

vaieri [72.5K]4 years ago

6 0

1. No solutions ( no answers) 2 . 2 answers 3. 1 answer

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Solve y = x + 6 for x.<br><br> x = y + 6<br> x = −y + 6<br> x = y − 6<br> x = −y − 6

madam [21]

Answer:

x = y − 6 Is your answer

Step-by-step explanation:

y = x + 6

x = y -6

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(3+4x4)-7

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3 years ago

What property is 10(5+9x) and 10(9x+5)

tatuchka [14]

Answer:

Associative property: The addition or multiplication of a several numbers is the same regardless of how the numbers are grouped. The associative property will always involve 3 or more numbers. The parenthesis groups the terms that are considered one unit.

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3 years ago

What is between 280 and 560?

nikitadnepr [17]

420 would be the middle number.

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3 0

3 years ago

X^2 -9 divided by x+3

WINSTONCH [101]

Step-by-step explanation:

Hey, there!!

Given that,

$\frac{ {x}^{2} - 9 }{x + 3}$

{ we can write (a^2-4) as (a^2 - 2^2) also as (x^2- 9) can be written as (x^2 - 3^2)}.

$\frac{ {x}^{2} - {3}^{2} }{x + 3}$

We have a^2-b^2= (a+b) (a-b), so keep same formula on it.

$\frac{(x + 3)(x - 3)}{(x + 3)}$

(x+3) in numerator and denominator gets cancelled,

$(x - 3)$

Therefore, (x-3) is the final value.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

4 0

3 years ago