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Nataliya [291]
3 years ago
13

5. Find the product - 2x² (3x² - 4x+7)

Mathematics
2 answers:
garri49 [273]3 years ago
8 0

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VladimirAG [237]3 years ago
8 0

Answer:

= - 6 {x}^{4}  + 8 {x}^{3}  - 14 {x}^{2}

Step-by-step explanation:

- 2 {x}^{2} (3 {x}^{2}  - 4x + 7) \\   = - 6 {x}^{4}  + 8 {x}^{3}  - 14 {x}^{2}

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3 years ago
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What is the answer can you help me plz
erastova [34]

Answer:

\frac{1}{5^{7}}

Step-by-step explanation:

\frac{5^{-4}}{5^{3}} = \frac{1}{5^{7}}

6 0
3 years ago
The graph of y=x^2 was transformed to Y= -(x+3)^2 +5. Describe all transformations applied to the original function and determin
mina [271]

Hey there!

1. The graph was flipped vertically and now opens downward.

We know this because there is a negative sign in front of the equation:

y= \boxed- (x+3)^2+5

2. The graph was moved 3 units to the left.

We know this because there is 3 added to x inside of the parenthesis. Remember, inside (parenthesis) is opposite and acts on x, outside (parenthesis) is same and acts on y.

y=-(x\boxed{+3})^2+5

3. The graph was moved 5 units up.

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3 0
3 years ago
What is the value of the expression?
Blababa [14]

Answer:

- \frac{9}{10}

Step-by-step explanation:

Step 1: Add the numerator fractions.

2/5 + 3/10

Here we have to find LCD, the LCD of 5 and 10 is 10

                                         (2*2) + 3         4 + 3

Therefore,  2/5 + 3/10 = ---------------  = ------------------

                                          10                     10

= 7/10

Step 2: Now substitute 2/5 + 3/10 = 7/10 in the given fraction, we get


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=  ----------

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If we have fraction over fraction, we have to find the reciprocal of denominator fraction and multiply.

The reciprocal of -7/9 is -9/7

Step 3: Now multiply 13/10 and -9/7

= (7/10) x (-9/7)

= -9/10

=-9/10

The answer is  -\frac{9}{10}

8 0
3 years ago
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Write a polynomial function of least degree with integral coefficients that has the given zeros of 5 and -2i
vova2212 [387]
Hello :
f(x) = (x-5)(x+2i)
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f(x) = x² +(2i-5)x -10i 
<span>coefficients : a =1      b = 2i-5     c =-10i</span>
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