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Evgesh-ka [11]
3 years ago
15

Subtract these polynomials (3x^2x+4)-(x^2+2x+1)

Mathematics
2 answers:
harina [27]3 years ago
6 0
2x^2+3. the 2x cancel out and the rest is combining like terms
Aleks04 [339]3 years ago
3 0

Answer:

(with a + between 2 and x in the first polynomial) 2x^2-x+3

Step-by-step explanation:

You might be interested in
Can I have some help finding the area to this? Can someone also explain how to figure this out?? PLEASE
nignag [31]
Let's separate the hexagon into 5 shapes; 2 triangles on each side, and a rectangle in the middle. Now let's find the area of each of the smaller shapes.

Top left triangle:
The equation to find the area of a triangle is
(base = b, height = h, a = area)
a = b · h · \frac{1}{2}
Now let's add in our values and solve.
a = 2 · 4 · \frac{1}{2}
a = 8 · \frac{1}{2}
a = 4

Now since there are 4 of these triangles, and they're all the same size,
4 · 4 = 16
All of the triangles put together = 16cm²

The middle rectangle:
The equation to find the area of a rectangle is simple:
(w = width, l = length, a = area)
a = w · l
Now let's put in our values and solve.
a = 4 · 8
a = 32

The rectangle is 32cm²

Now let's add the areas together. 
32 + 16 = 48

The answer is <span>48cm²

Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)
</span>
4 0
3 years ago
2(x-7)&lt;-12 <br><br> Help!! I need this for my math
nika2105 [10]

Answer:

x < 1

Step-by-step explanation:

2(x-7)<-12

Divide by 2

2(x-7)/2<-12/2

x-7 < -6

Add 7 to each side

x-7+7 < -6+7

x < 1

8 0
3 years ago
Find the area of the figure
weqwewe [10]

Answer:

31 mm

Step-by-step explanation:

5mm + 2mm + 8mm + 16mm

8 0
3 years ago
Write words to match the expression, 3 + (4 × 12)
konstantin123 [22]
Three added to the product of four and twelve

or

The product of four and twelve added by three
6 0
3 years ago
Read 2 more answers
What is 2(3a+2b-7) equivalent too?
zloy xaker [14]

Answer:

6a+4b-14

Step-by-step explanation:

For this, we have to use the distributive property.

This means we multiply each value in the parentheses by 2.

2*3a=6a

2*2b=4b

2*(-7)=-14

So our equation is:

6a+4b-14

8 0
3 years ago
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