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mr Goodwill [35]
3 years ago
7

How does finding the greatest common factor help you solve real-world problems

Mathematics
1 answer:
olchik [2.2K]3 years ago
3 0
It allows you to do simple multiplicative and division problems faster
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If f(x)=x^3-12x^2+35x-24f(x)=x 3 −12x 2 +35x−24 and f(8)=0f(8)=0, then find all of the zeros of f(x)f(x) algebraically.
Neporo4naja [7]

Answer:

The zeros of f(x) are: (x - 1), (x - 3) and (x - 8)

<em></em>

Step-by-step explanation:

Given

f(x)=x^3-12x^2+35x-24

f(8) = 0

Required

Find all zeros of the f(x)

If f(8) = 0 then:

x = 8

And x - 8 is a factor

Divide f(x) by x - 8

\frac{f(x)}{x - 8} = \frac{x^3-12x^2+35x-24}{x - 8}

Expand the numerator

\frac{f(x)}{x - 8} = \frac{x^3 - 4x^2 -8x^2 + 3x + 32x - 24}{x - 8}

Rewrite as:

\frac{f(x)}{x - 8} = \frac{x^3 - 4x^2 + 3x - 8x^2 +32x - 24}{x - 8}

Factorize

\frac{f(x)}{x - 8} = \frac{(x^2 - 4x + 3)(x - 8)}{x - 8}

Expand

\frac{f(x)}{x - 8} = \frac{(x^2 -x - 3x + 3)(x - 8)}{x - 8}

Factorize

\frac{f(x)}{x - 8} = \frac{(x - 1)(x - 3)(x - 8)}{x - 8}

\frac{f(x)}{x - 8} = (x - 1)(x - 3)

Multiply both sides by x - 8

f(x) = (x - 1)(x - 3)(x - 8)

<em>Hence, the zeros of f(x) are: (x - 1), (x - 3) and (x - 8)</em>

7 0
2 years ago
1. Write an expression for 8 less than 2<br> times a number.
Nuetrik [128]

Answer:

8<2x

Step-by-step explanation:

4 0
2 years ago
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What is the slope of the line that goes through (2,7) (3,9)
marin [14]

Answer:

2

Step-by-step explanation:

slope (m) = y2 - y1/x2 - x1

m = 9 - 7/3 - 2

m = 2/1

m = 2

4 0
3 years ago
Double a number decreased by 25.6 is equal to 90 Find the number
marin [14]

Answer:

Step-by-step explanation:

2x-25,6=90

2x=90+25,6

2x=115,6

x=57,8

5 0
3 years ago
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What gives humans a particular advantage over other species in the use of<br> commons?
Artemon [7]

Answer:

Humans have technology

Step-by-step explanation:

4 0
3 years ago
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