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Andrei [34K]
4 years ago
10

(2x2 +5x+6) + (8x2 +3x+2)

Mathematics
1 answer:
Wewaii [24]4 years ago
4 0

Hey there!

Answer:\boxed{10x^2+8x+8}

Explanation:

(2x^2+5x+6)+(8x^2+3x+2)

Let's start off with combining like terms.

2x^2+5x+6+8x^2+3x+2\\(2x^2+8x^2)+(5x+3x)+(6+2)\\10x^2+8x+8

\boxed{10x^2+8x+8}\text{ is your answer.}

Hope this helps!

\text{-TestedHyperr}

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Kylie explained that (–4x + 9)2 will result in a difference of squares because (–4x + 9)2 = (–4x)2 + (9)2 = 16x2 + 81. Which sta
Serjik [45]
The correct product should have been:
<span>(–4x + 9)2 = </span>(-4x)2 + 2(-4x)(9) + 9^2 = 16x6 - 72x +81
The result is a trinomial and not a binomial nor a difference of two squares.

So, the answer is:
C = Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.


8 0
4 years ago
Read 2 more answers
Which property is shown by -3 x (6+5) = -3 x 6+ -3 x 5
aniked [119]

Answer:

The distributive property of multiplication

Step-by-step explanation:

we know that

The <u>distributive property of multiplication</u>  states that the product of a number by a sum, is equal to multiply each addend by the number (This is called distributing the number) and then, you can add the products

so

a*(b+c)=a*b+a*c

in this problem we have

-3*(6+5)=-3*6+-3*5 ----> the number -3 is distributed

therefore

We have the distributive property of multiplication

4 0
4 years ago
Solve this inequality for x.<br><br> 81 - 1 1/5x &lt;_ 55
dsp73

Answer:

(61. 8181..., ~)

Step-by-step explanation:

-11/5x<-136

x>680/11

x>61. 8181...

6 0
4 years ago
Please help frl this time!
Over [174]

Answer:

The answer is D.

Step-by-step explanation:

All the numbers starting from 1 to infinity are known as natural numbers.  Answer D is not a number but all the other answers are.

4 0
2 years ago
Read 2 more answers
Help please
mezya [45]

Answer:

Step-by-step explanation:

Remark

My guess is that what is confusing you is not what you have to do, but why it is disguised as g(n)

What you are doing in effect is setting up a table. You are also not certain where the table starts. And that is a problem. I will start it at zero, but it might be 1.

zero

n = 0

g(0) = 34 - 5*0

g(0) = 34

One

n = 1

g(1) = 34 - 5*1

g(1) = 34 - 5

g(1) = 29

Two

g(2) = 34 - 5*2

g(2) = 34 - 10

g(2) = 24

Three

g(3) = 34 - 5*3

g(3) = 34 - 15

g(3) = 19

Four

g(4) = 34 - 5*4

g(4) = 34 - 20

g(4) = 19

Answer

0      1       2       3      4

34  29     24     19     14

7 0
3 years ago
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