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Bad White [126]
3 years ago
7

3x^3-2x^2-147x+98=(ax-c)(bx+d)(bx-d) where a,b,c and d positive integers. Work out the value of a,b,c and d

Mathematics
1 answer:
Alexxx [7]3 years ago
6 0

Expand the right side:

(ax-c)(bx+d)(bx-d)=(ax-c)(b^2x^2-d^2)

=ab^2x^3-b^2cx^2-ad^2x+cd^2

Notice that 98 = 2 * 7 * 7, so we have c=2 and d=7.

Then

-ad^2=-147\implies a=\dfrac{147}{49}=3

and

ab^2=3\implies b^2=1\implies b=1

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Classify the following into monomials, binomial and trinomials.
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  • A monomial is an expression containing a single term.
  • A binomial is an expression having two terms.
  • A trinomial is an expression having three terms.

  1. Here -6 is a monomial having a single term -6.
  2. -5 + x is a binomial containing two terms -5 and x.
  3. 32x - y is a binomial having two terms 32x and -y.
  4. 6x² + 5x - 3 is a trinomial having three terms 6x², 5x and -3.
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<u>Answers</u>

  1. <u>monomial</u>
  2. <u>binomial</u>
  3. <u>binomial</u>
  4. <u>trinomial</u>
  5. <u>binomial</u>

Hope you could understand.

If you have any query, feel free to ask.

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The histogram shows the distributions of essay scores for high school sophomores and juniors in a contest. Which comparison of t
goblinko [34]

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8 0
3 years ago
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4512 handshakes

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Answer:

Step-by-step explanation:

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