Which of the following is the correct expansion of (3x-y)2

1 answer:

4 0

6x-2y (I believe so)

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Sveta_85 [38]

Step-by-step explanation:

$\frac{3x}{x + 1} \div (x + 1) \\ \\ = \frac{3x}{x + 1} \times \frac{1}{(x + 1) } \\ \\ = \frac{3x}{ {(x + 1)}^{2} }$

6 0

3 years ago

BigorU [14]

30 I think because 6 12 18 24 30 and 10 20 30

6 0

2 years ago

BARSIC [14]

Step-by-step explanation:

-2x+3=x+12

combin like terms

-2x-x=12-3

-3x=9

x=9/-3

x=-3

3 0

2 years ago

Ghella [55]

Answer:

$84s^{2} t\sqrt{35st}$

4 0

2 years ago

gladu [14]

640 students where surveyed

5 0

2 years ago