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daser333 [38]
3 years ago
6

What is the simplified form of (x2 + 5x − 6)(x − 2)?

Mathematics
2 answers:
-Dominant- [34]3 years ago
8 0

Answer:

x³ + 3x² - 16x + 12

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x²(x - 2) + 5x(x - 2) - 6(x - 2) ← distribute the 3 parenthesis

= x³ - 2x² + 5x² - 10x - 6x + 12 ← collect like terms

= x³ + 3x² - 16x + 12

siniylev [52]3 years ago
7 0

Answer: y = x - 2

Step-by-step explanation: I think this is right but if not I apologize

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-6

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-6.1 is more distant to the 0 and -0.1 off by getting closer.

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An angle measures 36.8° more than the measure of its complementary angle. What is
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2 years ago
Solve the system of equations
rewona [7]

Answer:

x = 1/4

y = -1/2

z = 9/4

Step-by-step explanation:

Here we have a system of 3 equations with 3 variables:

4*x + 2*y + 1 = 1

2*x - y = 1

x + 3*y + z = 1

The first step to solve this, is to isolate one of the variables in one of the equations, let's isolate "y" in the second equation:

2*x - y = 1

2*x - 1 = y

Now that we have an expression equivalent to "y", we can replace this in the other two equations:

4*x + 2*(2*x - 1) + 1 = 1

x + 3*(2*x - 1) + z = 1

Now let's simplify these two equations:

8*x - 1 = 1

7*x - 3 + z = 1

Now, in the first equation we have only the variable x, so we can solve that equation to find the value of x:

8*x - 1 = 1

8*x = 1 + 1 = 2

x = 2/8 = 1/4

Now that we know the value of x, we can replace this in the other equation to find the value of z.

7*(1/4) -3 + z = 1

7/4 - 3 + z = 1

z = 1 + 3 - 7/4

z = 4 - 7/4

z = 16/4 - 7/4 = 9/4

z = 9/4

Now we can use the equation y = 2*x - 1 and the value of x to find the value of y:

y = 2*(1/4) - 1

y = 2/4 - 1

y = 1/2 - 1

y = -1/2

Then the solution is:

x = 1/4

y = -1/2

z = 9/4

7 0
3 years ago
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