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maks197457 [2]
3 years ago
12

Solve the equation by factoring. z2 − z − 6 = 0

Mathematics
2 answers:
polet [3.4K]3 years ago
5 0

Answer:

z=-2,3

Step-by-step explanation:

Nuetrik [128]3 years ago
4 0
Z² - z - 6 = 0
(z - 3)(z + 2) = 0

z  - 3 = 0
z = 3

z +  2 = 0
z = - 2

z = - 2, 3
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Francine applies the commutative property to the product. (−8/9)⋅(−13)⋅(18) Which expression illustrates the commutative propert
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The commutative property implies that, the order of multiplication is not important.

(-\frac 89) \cdot (18) \cdot (-13) is true

Commutative property of multiplication states that:

If a \times b  = b \times a

The expression is given as:

(-\frac 89)\cdot (-13) \cdot (18)

To get the commutative expression, we simply change the position of each factor in the expression.

So, some possible equivalent expressions are:

(18) \cdot (-13) \cdot (-\frac 89)

(18)\cdot (-\frac 89) \cdot (-13)

(-13) \cdot (18) \cdot (-\frac 89)

There are several other equivalent expressions.

From the list of options;

(-\frac 89) \cdot (18) \cdot (-13) is true

Read more about commutative property at:

brainly.com/question/7037119

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2 years ago
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Solve the system x+3=22 2x-y=2
steposvetlana [31]

Hello from MrBillDoesMath!

Answer:

x = 19, y = 36

Discussion:

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x = 19


Substitute x= 19 in (**)

2(19) - y = 2 =>

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38 -2 = 2 -2 + y =>

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Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


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