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lutik1710 [3]
2 years ago
8

The product of (x + 3)(-x2 + 4x − 2) is:

Mathematics
2 answers:
masha68 [24]2 years ago
5 0

Answer:

Hey 2923928 !

<u>Answer</u><u>:</u><u> </u><u>The</u><u> </u><u>second</u><u> </u><u>choice</u>

\dashrightarrow \: { \tt{(x + 3)( -  {x}^{2}  + 4x - 2)}}

• from distributive property;

\dashrightarrow \: { \tt{( -  {x}^{3}  + 4 {x}^{2} - 2x - 3 {x}^{2}  + 12x - 6) }}

• simplify:

\dashrightarrow \: { \tt{ -  {x}^{3}  +  {x}^{2}  + 10x - 6}}

lisov135 [29]2 years ago
4 0

Answer:

-x^3 + x^2 + 10x - 6

Step-by-step explanation

1. distirbute the x and 3(multiply) into this equation -x^2+4x-2

2. add all similar numbers

3. Profit.

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Check My answers!! Algebra
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1.) 4 - t = 3(t - 1) - 5
4 - t = 3t - 3 - 5
4 - t = 3t - 8
3t + t = 4 + 8
4t = 12
t = 12/4 = 3

2.) 8x - 2(x + 1) = 2(3x - 1)
8x - 2x - 2 = 6x - 2
6x - 2 = 6x - 2
0 = 0
solution is identity.

3.) 3(c - 2) = 2(c - 6)
3c - 6 = 2c - 12
3c - 2c = -12 + 6
c = -6

4.) 0.5(m + 4) = 3(m - 1)
0.5m + 2 = 3m - 3
3m - 0.5m = 2 + 3
2.5m = 5
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5 0
3 years ago
At the same time a 12 foot adult elephant cast a 4.8 foot shadow a baby elephant casts a 2 foot shadow how tall is the baby elep
Vsevolod [243]
Set up a proportion here as the height over the shadow of the adult = to the height over the shadow of the baby. so you have 12/4.8 = height/2. cross multiply to get 12*2=4.8 times height, which is 24 = 4.8*height. divide both sides by 4.8 to get height = 5 feet
4 0
3 years ago
Solve: 6x-9 = 3x<br> A x = 3<br> B x=1<br> C x = -1<br> D X=-3
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Answer:

Answer is A, A=3

Step-by-step explanation:

3 0
3 years ago
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I need this answer as soon as possible
wel

The perimeter is the distance all the way around. So it's the sum of the lengths of all 4 sides.

From the picture, you can clearly see the lengths of all 4 sides.

Writum down and adum up !

3 0
2 years ago
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kiruha [24]

Answer:

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2 years ago
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