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Grace [21]
3 years ago
13

What is the factorization of the polynomial below? x^3-4x^2+45x

Mathematics
2 answers:
Fantom [35]3 years ago
8 0
Hope This Helps You!(

Mashutka [201]3 years ago
3 0
The method of factorization is used to find the roots of a given polynomial. Roots are the solutions of the function. Graphically, these roots are where the curve passes the x-axis. The first step to do is to find the common factor of the equation. That would be x. So you place it outside of the parenthesis.

x³-4x²+45x = x(x² - 4x + 45)

If you solve the quadratic equation inside the parenthesis using the quadratic formula, the roots are imaginary. Therefore, the quadratic equation is already a prime polynomial. 

The final answer is x(x² - 4x + 45).
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Answer:

The x-intercepts of the quadratic function are -7 and 5.

Step-by-step explanation:

The given function is

f(x)=x^2+2x-35

Equate f(x)=0, to find the x-intercepts of the function.

x^2+2x-35=0

x^2+7x-5x-35=0

x(x+7)-5(x+7)=0

(x+7)(x-5)=0

x+7=0\Rightarrow x=-7

x-5=0\Rightarrow x=5

Therefore the x-intercepts of the quadratic function are -7 and 5.

3 0
3 years ago
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Alex73 [517]

Answer:

31.1011905%

Step-by-step explanation:

Take the new price and subtract the original price

8.81 - 6.72

2.09

Divide by the original price

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Change to percent form

31.1011905%

3 0
2 years ago
The ratio of boys to girls at Longwood High School is 6:7. There are 1,722 girls in the High School. Write and solve a proportio
DochEvi [55]

Answer:

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Step-by-step explanation:

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so then we simplify

(1,722*6)/7 =

1476 boys

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Step-by-step explanation:

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