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Katena32 [7]
2 years ago
14

What expression is this equivalent to -4x^2 + 2x - 5(1 + x)

Mathematics
1 answer:
BabaBlast [244]2 years ago
4 0

Answer:

-4x^2 -3x - 5

Step-by-step explanation:

-4x^2 + 2x - 5(1 + x)

Distribute

-4x^2 + 2x - 5 -5x

Combine like terms

-4x^2 -3x - 5

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Kipish [7]

Answer:

f(g(x)) = x^4 + 12x^3 + 14x^2 -132x + 123

Step-by-step explanation:

Here, we simply will place g(x) into f(x)

So every x in f(x) is replaced by g(x)

Thus, we have;

(x^2 + 6x + 11)^2 + 2

= (x^2+6x-11)(x^2 + 6x -11) + 2

= x^4 + 6x^3 -11x^2 + 6x^3 + 36x^2 - 66x -11x^2 -66x + 121 + 2

= x^4 + 12x^3 + 14x^2 -132x + 123

7 0
2 years ago
-4x - 6y = 6<br> 4x + 6y = -4
Sloan [31]

Step-by-step explanation:

-4x - 6y = 6

4x + 6y = -4

To solve a system of equations, we can add the two equations and solve for one of the remaining variables -- let's try to eliminate the x variable when we add the two equations together.

Right now, there's a -4x term in the first equation, and a 4x term in the second equation, so if we add those together, we'll be able to eliminate the x variable altogether and solve for y.

However, when we also have a -6y term in the first equation and 6y term in the second equation, so adding these together will also eliminate the y term, leaving a 0 on the left-hand side of the equation.

If we add the two numbers on the right side of the equation, we get -2, which does not equal 0, meaning there are no solutions to this system of equations.

3 0
2 years ago
Read 2 more answers
Determine the median of the numbers: 6 5 2 2 5 00
zavuch27 [327]

Answer:

2

Step-by-step explanation:

6 0
3 years ago
What is the equation in standard form of the line y = 1/9x + 5?
Artist 52 [7]

Answer:

Step-by-step explanation:

9(y = 1/9x + 5)

9y = x + 45

-x + 9y = 45

x - 9y = -45

5 0
2 years ago
The mean age of 5 men is 42, 1 woman is added to them. the mean age is 45, find the age of the woman
Wewaii [24]

is it 3...I'm not sure anyway

6 0
3 years ago
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