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weeeeeb [17]
3 years ago
7

Simplify the expression to a polynomial in standard form: (x-1)(3x^2-5x-3) (x−1)(3x 2 −5x−3)

Mathematics
1 answer:
solmaris [256]3 years ago
6 0

Answer: 3x^3 -8*x^2 + 8*x + 3

Step-by-step explanation:

The standard form for a plolynomial is:

a*x^n + b*x^(n-1) + c*x^(n - 2) ........

We have:

(x-1)(3x^2-5x-3)

this is equal to:

3*x^3 - 5*x^2 + 3*x - 3*x^2 +5*x + 3

where the thing that i did is distribute the multiplication

this is equal to:

3x^3 -8*x^2 + 8*x + 3

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Sauron [17]
i believe the answer is C.) 0.8840
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5 0
3 years ago
Se logx 25 = -2, então log 5 x é igual a:
Zigmanuir [339]
Your question is on Spanish but I'll try to answer it
log x 25 = -2 => x^-2 = 25 

we know that x^-2 is the reciprocal value that is also written as (1/x)^2, according to this 

=> (1/x)^2 = 5^2 => 1/x = 5 => x= 1/5

Check   log (1/5) 25 = x => (1/5)^x = 5^2 => 5^-x = 5^2 => -x=2 =>
x= -2    Good luck!!!  


8 0
3 years ago
Enter the amplitude of the function f(x) . f(x)=3/4cos(3x)+4
Alisiya [41]

Answer:

The amplitude is \frac{3}{4}

Step-by-step explanation:

Let f(x) be a sinusoid function that has the following format:

f(x) = bsin(wx + s) + h

Then b is the amplitude of the function

h is the vertical displacement of the wave

s is the phase angle

\frac{2\pi}{w} is the period.

In this problem f (x) = \frac{3}{4}cos(3x) +4

Then \frac{3}{4} = b

Therefore the amplitude of the function is \frac{3}{4}

The amplitude is a measure of the vertical size of the sinx wave

4 0
3 years ago
Read 2 more answers
A triangle has side lengths measuring 3x cm, 7x cm, and h cm. Which expression describes the possible values of h, in cm?
Reika [66]
Its the first one 4x
5 0
4 years ago
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ch4aika [34]
It's maybe right. I'm not sure

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