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elena-14-01-66 [18.8K]
3 years ago
6

5. Express the product as a polynomial in simplest form: (x + 5)(x - 5)(2x + 3)

Mathematics
1 answer:
Tasya [4]3 years ago
5 0

Answer:

2x^3+3x^2-50x-75

Step-by-step explanation:

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

(x^2-25)(2x+3)=2x^3+3x^2-50x-75

Can I have brainliest!

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What equation is graphed in this figure?
topjm [15]

Answer:

The third equation: y+2=-3(x-1)

Step-by-step explanation:

The two points on the line are (-1,4) and (1,-2).

Slope of the line passing through two points (x_{1},y_{1}) and (x_{2},y_{2}) is given as:

m=(y_{2} -y_{1})/ (x_{2} -x_{1})

Here, (x_{1},y_{1}) and (x_{2},y_{2}) are (-1,4) and (1,-2).

Therefore, slope is equal to, m=(-2-4 )/ (1-(-1)

                                               m=-6/2

                                               m=-3  

Now, equation of a straight line with slope m and points (x_{1},y_{1}) and (x_{2},y_{2}) is given as:

y-y_{1}=m(x-x_{1})\\y-y_{2}=m(x-x_{2})

Now, if we use the 2nd form, then x_{2}=1,y_{2}=-2.

So, the equation is given as :

y-(-2)=-3(x-1)\\y+2=-3(x-1)

                                                 

8 0
3 years ago
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