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Helga [31]
1 year ago
9

Please help me with this math problem!! Will give brainliest!! :)

Mathematics
1 answer:
lora16 [44]1 year ago
6 0

Answer:

2x^3-3x^2-10x+15\\

Step-by-step explanation:

To find (fg)(x), we have to look at f(x) and g(x) and multiply the two quantities together. We are already given the two quantities individually so all that is left is the multiplication:

(fg)(x)=(-2x+3)(5-x^2)=-10x+2x^3+15-3x^2\\

If we reorder the terms to go from highest degree to lowest, we get our final answer to be the following:

2x^3-3x^2-10x+15

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Factorise the following using the Difference of Two Squares or Perfect Squares rule: a) (2x-2)^2 - (x+4)^2 b) (3x+4) (3x-4)
emmainna [20.7K]

Answer:

Step-by-step explanation:

Hello, please consider the following.

a)

(2x-2)^2 - (x+4)^2 \\\\=(2x-2-(x+4))(2x-2+x+4)\\\\=(2x-2-x-4)(3x+2)\\\\=\boxed{(x-6)(3x+2)}

b)

(3x+4) (3x-4)\\\\=(3x)^2-4^2\\\\=\boxed{9x^2-16}

Thank you.

7 0
3 years ago
Place a decimal point in each ad end to make the sentence true
Furkat [3]
Can you attach the sentences so I can help you?
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3 years ago
What is the slope of the line that contains the points (1,-1) and (-2,8)? (Also can you show me how you got it please?)​
ArbitrLikvidat [17]
The answer is -3

You use the formula y1-y2
———
x1-x2
-1 and 8 are your y’s
1 and -2 are your x’s

Your equation should look like this
-1-8 -9
—— = —— = -3
1-(-2) 3

I plugged the y’s and x’s into the formula.
I hope this helps!!
3 0
3 years ago
Someone please help me!<br><br> Show all work to factor x4 − 5x2 + 4 completely.
MakcuM [25]

Step-by-step explanation:

=>x⁴-5x²+4

=>x⁴-x²-4x²+4

=>x²(x²-1)-4(x²-1)

=>(x²-1)(x²-4)

=>(x+1)(x-1)(x+2)(x-2)

hope this helps you.

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2 years ago
The graph of logistic population growth is shaped like what letter
tigry1 [53]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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