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ludmilkaskok [199]
2 years ago
11

I need help with this problem please and thank you

Mathematics
2 answers:
iren2701 [21]2 years ago
5 0

Solution:

<u>Part - A:</u>

To factor a polynomial, take out the factors of each term outside of the brackets. The terms of this expression are divisible by x⁴ (GCF), which can factorize completely. This will subtract 4 from the exponents.

  • => x⁵ - x³
  • => x⁴(x - 1)

<u>Part - B:</u>

To factor a polynomial, take out the factors of each term outside of the brackets. The terms of this expression are divisible by 3 (GCF), which can factorize completely. This will divide 3 from the terms.

  • 3x² - 75
  • 3(x² - 25)
  • 3(x + 5)(x - 5)

<u>Part - C:</u>

To factor a polynomial, take out the factors of each term outside of the brackets. The terms of this expression are divisible by x²y (GCF), which can factorize completely.

  • 3x⁵y + 4x⁴y - 5x²y
  • => x²y(3x³ + 4x² - 5)

<u>Part - D:</u>

Unfortunately, this expression can't factor with rational numbers. The expression results in 81x³ - 125.

MatroZZZ [7]2 years ago
3 0

a) x^5-x^3

x^3\left(x^2-1\right) ........take out x³

x^3\left(x+1\right)\left(x-1\right) ......separated (x²-1)

b) 3x^2-75

3\left(x^2-25\right) ........took out 3.

3\left(x+5\right)\left(x-5\right)  .......separated (x²-25)

c) 3x^5y+4x^4y-5x^2y

x^2y\left(3x^3+4x^2-5\right) ............takeout x²y at the front.

d) 81x^3-125

81x^3-125 ......cannot be factorised much more further.

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Adam cut a piece of string 42 inches long into 2 pieces. The ratio of the length of the 2 peices is 3:4, what is the length, to
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