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storchak [24]
4 years ago
15

Which term completes the product so that it is the difference of squares?

Mathematics
2 answers:
FromTheMoon [43]4 years ago
6 0

Answer:

the answer is  3

Step-by-step explanation:

(-5x-3)(-5x+3)=(5x)^2 - (3)^2

A difference of squares is the difference of two squared terms.

We have

a^2 - b^2

We can factorize the difference of squared terms like this:

a^2-b^2 = (a+b)(a-b)

We have (-5x-3)(-5x+3)

Lets prove it:

(-5x-3)(-5x+3) = (-5x*-5x)+(-5x*3)+(-3*-5x)+(-3*3)

(-5x-3)(-5x+3) = 25x^2+(-15x)+(15x)+(-9)

(-5x-3)(-5x+3) = 25x^2-15x+15x-9

(-5x-3)(-5x+3) = 25x^2-9

(-5x-3)(-5x+3) = (5x)^2 - (3)^2

Ray Of Light [21]4 years ago
5 0

Answer: 3

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 0
3 years ago
Help me solve this????
Grace [21]

Price of movie ticket in Japan is x=7.362$

Price of movie ticket in Switzerland is y=13.652$

Step-by-step explanation:

Let, Price of movie ticket in Japan is x

Price of movie ticket in Switzerland is y

Statement 1 : Total of 79.39$ of three movie ticket in Japan and two movie ticket in Switzerland

We write, 3x+2y=79.39        ( Equation 1 )

Statement 1 : Total of 75.68$ of two movie ticket in Japan and three movie ticket in Switzerland

We write, 2x+3y=75.68        ( Equation 2 )

Solving by method of elimination

Multiplying equation 1 by 2, we get

6x+4y=158.78

Multiplying equation 2 by 3, we get

6x+9y=227.04

Subtracting both the linear equation,

  6x+4y=158.78

- 6x+9y=227.04

_______________

 0x-5y=(158.78-227.04)

-5y=(-68.26)

5y=68.26

y=13.652$

Replacing value of y in any equation

3x+2y=79.39

3x+2(13.652 )=79.39

x=17.362$

Thus,

Price of movie ticket in Japan is x=7.362$

Price of movie ticket in Switzerland is y=13.652$

3 0
3 years ago
What’s the equation of the line in fully simplified slope-intercept form
Vinil7 [7]

Answer:

y= -x - 8

Step-by-step explanation:

To write an equation in slope-intercept form, we naturally need both the slope and the y-intercept. Here, our y-intercept is -8, and our slope is -1. The general form of a line in slope intercept form is y = mx + b, where m is the slope and b is the y intercept. Using our values of m = -1 and b = -8 then gives us the equation y = -x - 8.

6 0
3 years ago
Use the four functions shown.
siniylev [52]

Only (I) is differentiable over (-5, 5) (and its entire domain, for that matter). This is because the exponential function is continuous and infinitely differentiable.

6 0
3 years ago
Find the remainder when x3 - 2x2 + x + 1 is divided by (x - 2).?​
Basile [38]
3/(x-2)

The answer is x^2+1+3/(x-2)

4 0
3 years ago
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