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jarptica [38.1K]
3 years ago
14

Multiply (4x-3)(4x - 3) *

Mathematics
2 answers:
I am Lyosha [343]3 years ago
7 0

Answer:

16x^2 -24x +9

Step-by-step explanation:

4x x 4x = 16x^2

4x x -3 = -12x

4x x -3 = -12x

-3 x -3 = +9

When all values are put together, they will form:

16x^2 -12x -12x +9

Once simplified, the equation will be:

16^2 -24x +9

mixer [17]3 years ago
7 0

Answer:

16x^2 - 9

Step-by-step explanation:

It is possible to solve this without actually multiplying.

There is a rule: (a+b)(a-b) = a^2 - b^2

So, when this is applied here:

(4x-3) (4x + 3) = 16x^2 - 9

All you had to do was 4x^2 and 3^2

Hope this helps.

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5 0
2 years ago
There are red, blue, and white buttons in a box. The ratio of the
vampirchik [111]

Answer:

680

Step-by-step explanation:

Ratio of red to white 4 : 7

Number of white = 280

White + red buttons = x

7x / 11 = 280

7x = 280 * 11

7x = 3080

x = 3080 / 7

x = 440

Number of red buttons 440 - 280 = 160

Number of red bottons ;

Blue + red buttons = x

3 : 2 ; blue : red

3 + 2 = 5 ;

2x / 5 = 160

2x = 160 * 5

2x = 800

x = 800 / 2

x = 400

Number of Blue buttons :

400 - 160 = 240

Total :

White + red + blue

280 + 160 + 240 = 680 buttons

5 0
3 years ago
Write 1,200 in scientific notation
iVinArrow [24]

Answer: 1.2 10x ^3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Plz tell me the answer
kari74 [83]

Answer:

1)6cm²

2)2

3)1000cm²

4)16x²+y²+8xy

8 0
2 years ago
Please somebody help need an answer
levacccp [35]
6= 4(z+9)/y+2
6y +12 =4(z+9)
6y=4(z+9) -12
y=(4(z+9)-12)/6
y=2z+18-6/3
y=2z+12 /3
4 0
3 years ago
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