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lianna [129]
1 year ago
6

Which quadratic equation is equivalent to (x + 2)^2 + 5(x + 2) - 6 = 0?

Mathematics
1 answer:
Ber [7]1 year ago
5 0

Answer:

x^2 + 9x + 8 = 0

Step-by-step explanation:

First, we have to simplify this quadratic equation:

(x+2)^2 + 5(x+2) - 6 = 0

x^2 + 4x + 4 + 5x + 10 - 6 = 0

x^2 + 9x + 8 = 0

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1.3(-7.5m - 3.3) + 0.8m = 2.07 - 3.4m
____ [38]

Answer:

m = -1.145946

4 0
3 years ago
Solve by factoring. Check your answers. x²=-x+6
Ymorist [56]

The factoring of the expression x²=-x+6 is (x-2)(x+3)

By ordering the values, we get:

x² + x - 6 = 0

To solve this exercise, we have to follow the rules of factoring:

1. Looking for the a and b number that state the following equations:

  • a + b = 1
  • a * b = - 6

Analyzing that (a*b) is a negative number, it means that (a) and (b) have different signs, and due to the results of (a+b) is positive the higher number has to be the positive one.  

The number could be:

a = -2

b = 3

Confirming:

a + b = -2 + 3 = 1

a * b = (-2) * 3 = - 6

2. Rewriting the factored expression (x+a)(x+b) with the obtained values, we get:

(x-2)(x+3)

<h3>What is factoring?</h3>

Is a technique that consist of decomposition of a factor into a product of another factor, which when multiplied together give the original number.

Learn more about factoring at brainly.com/question/24734894

#SPJ4

6 0
1 year ago
5(X-4) +2= -173 what is value of x?
m_a_m_a [10]

Answer:

The value of x is -31.

Step-by-step explanation:

To solve this, follow the order of operations for solving equations. The step-by-step is listed below.

5(x - 4) + 2 = -173 ----> Subtract 2 from both sides

5(x - 4) = -175 ----> Divide both sides by 5

x - 4 = -35 ----> Add 4 to both sides

x = -31

7 0
2 years ago
What's the best Approximation? :3
musickatia [10]
Area of shaded region = Area of larger circle - Area of smaller circle.

We know, Area of a Circle = πr²
So, A = πr₁² - πr₂²
A = π (r₁² - r₂²)
A = π(10.2² - 5.4²)
A = 3.14 (104.04 - 29.16)
A = 3.14 (74.88)
A = 235.12

In short, Your Answer would be 235.12 cm²

Hope this helps!
3 0
3 years ago
What requirements must be​ satisfied? select all that apply.
IrinaK [193]
In order to satisfy the requirement, this are the following that is required;First, at least one observation must be above or below 90 seconds. Second is ether the population is normally distributted or greater than (>) 30, or maybe both.
The answer in this question is A and B.
8 0
2 years ago
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